diff --git a/.clang-format b/.clang-format
index 399e250..411b009 100644
--- a/.clang-format
+++ b/.clang-format
@@ -4,7 +4,7 @@
 ## See: https://clang.llvm.org/docs/ClangFormatStyleOptions.html for details of each option
 ##
 ## The clang-format binaries can be downloaded as part of the clang binary distributions
-## from http://releases.llvm.org/download.html
+## from https://releases.llvm.org/download.html
 ##
 ## Use the script Utilities/Maintenance/clang-format.bash to faciliate
 ## maintaining a consistent code style.
diff --git a/.github/workflows/build-test-package.yml b/.github/workflows/build-test-package.yml
index d62f3c8..76db9c5 100644
--- a/.github/workflows/build-test-package.yml
+++ b/.github/workflows/build-test-package.yml
@@ -13,17 +13,17 @@ jobs:
           - os: ubuntu-18.04
             c-compiler: "gcc"
             cxx-compiler: "g++"
-            itk-git-tag: "a89145bccda6a36f42cfdd45d3a6b27234ff54fe"
+            itk-git-tag: "d6acfd26bfcdec606d605beb1301bddfb17c05a6"
             cmake-build-type: "MinSizeRel"
           - os: windows-2019
             c-compiler: "cl.exe"
             cxx-compiler: "cl.exe"
-            itk-git-tag: "a89145bccda6a36f42cfdd45d3a6b27234ff54fe"
+            itk-git-tag: "d6acfd26bfcdec606d605beb1301bddfb17c05a6"
             cmake-build-type: "Release"
           - os: macos-10.15
             c-compiler: "clang"
             cxx-compiler: "clang++"
-            itk-git-tag: "a89145bccda6a36f42cfdd45d3a6b27234ff54fe"
+            itk-git-tag: "d6acfd26bfcdec606d605beb1301bddfb17c05a6"
             cmake-build-type: "MinSizeRel"
 
     steps:
diff --git a/LICENSE b/LICENSE
index d645695..62589ed 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,7 +1,7 @@
 
                                  Apache License
                            Version 2.0, January 2004
-                        http://www.apache.org/licenses/
+                        https://www.apache.org/licenses/
 
    TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
 
@@ -193,7 +193,7 @@
    you may not use this file except in compliance with the License.
    You may obtain a copy of the License at
 
-       http://www.apache.org/licenses/LICENSE-2.0
+       https://www.apache.org/licenses/LICENSE-2.0
 
    Unless required by applicable law or agreed to in writing, software
    distributed under the License is distributed on an "AS IS" BASIS,
diff --git a/examples/CellularSegmentation1.cxx b/examples/CellularSegmentation1.cxx
index ed7d926..5db47ce 100644
--- a/examples/CellularSegmentation1.cxx
+++ b/examples/CellularSegmentation1.cxx
@@ -6,7 +6,7 @@
  *  you may not use this file except in compliance with the License.
  *  You may obtain a copy of the License at
  *
- *         http://www.apache.org/licenses/LICENSE-2.0.txt
+ *         https://www.apache.org/licenses/LICENSE-2.0.txt
  *
  *  Unless required by applicable law or agreed to in writing, software
  *  distributed under the License is distributed on an "AS IS" BASIS,
diff --git a/examples/CellularSegmentation2.cxx b/examples/CellularSegmentation2.cxx
index c9f6111..04f7be6 100644
--- a/examples/CellularSegmentation2.cxx
+++ b/examples/CellularSegmentation2.cxx
@@ -6,7 +6,7 @@
  *  you may not use this file except in compliance with the License.
  *  You may obtain a copy of the License at
  *
- *         http://www.apache.org/licenses/LICENSE-2.0.txt
+ *         https://www.apache.org/licenses/LICENSE-2.0.txt
  *
  *  Unless required by applicable law or agreed to in writing, software
  *  distributed under the License is distributed on an "AS IS" BASIS,
diff --git a/include/itkBioCell.h b/include/itkBioCell.h
index a672839..6952958 100644
--- a/include/itkBioCell.h
+++ b/include/itkBioCell.h
@@ -6,7 +6,7 @@
  *  you may not use this file except in compliance with the License.
  *  You may obtain a copy of the License at
  *
- *         http://www.apache.org/licenses/LICENSE-2.0.txt
+ *         https://www.apache.org/licenses/LICENSE-2.0.txt
  *
  *  Unless required by applicable law or agreed to in writing, software
  *  distributed under the License is distributed on an "AS IS" BASIS,
diff --git a/include/itkBioCell.hxx b/include/itkBioCell.hxx
index 937573a..b86a5dd 100644
--- a/include/itkBioCell.hxx
+++ b/include/itkBioCell.hxx
@@ -6,7 +6,7 @@
  *  you may not use this file except in compliance with the License.
  *  You may obtain a copy of the License at
  *
- *         http://www.apache.org/licenses/LICENSE-2.0.txt
+ *         https://www.apache.org/licenses/LICENSE-2.0.txt
  *
  *  Unless required by applicable law or agreed to in writing, software
  *  distributed under the License is distributed on an "AS IS" BASIS,
diff --git a/include/itkBioCellBase.h b/include/itkBioCellBase.h
index fa6ed49..4de4244 100644
--- a/include/itkBioCellBase.h
+++ b/include/itkBioCellBase.h
@@ -6,7 +6,7 @@
  *  you may not use this file except in compliance with the License.
  *  You may obtain a copy of the License at
  *
- *         http://www.apache.org/licenses/LICENSE-2.0.txt
+ *         https://www.apache.org/licenses/LICENSE-2.0.txt
  *
  *  Unless required by applicable law or agreed to in writing, software
  *  distributed under the License is distributed on an "AS IS" BASIS,
diff --git a/include/itkBioCellularAggregate.h b/include/itkBioCellularAggregate.h
index 5f45b8e..197285f 100644
--- a/include/itkBioCellularAggregate.h
+++ b/include/itkBioCellularAggregate.h
@@ -6,7 +6,7 @@
  *  you may not use this file except in compliance with the License.
  *  You may obtain a copy of the License at
  *
- *         http://www.apache.org/licenses/LICENSE-2.0.txt
+ *         https://www.apache.org/licenses/LICENSE-2.0.txt
  *
  *  Unless required by applicable law or agreed to in writing, software
  *  distributed under the License is distributed on an "AS IS" BASIS,
diff --git a/include/itkBioCellularAggregate.hxx b/include/itkBioCellularAggregate.hxx
index 594883d..987e30b 100644
--- a/include/itkBioCellularAggregate.hxx
+++ b/include/itkBioCellularAggregate.hxx
@@ -6,7 +6,7 @@
  *  you may not use this file except in compliance with the License.
  *  You may obtain a copy of the License at
  *
- *         http://www.apache.org/licenses/LICENSE-2.0.txt
+ *         https://www.apache.org/licenses/LICENSE-2.0.txt
  *
  *  Unless required by applicable law or agreed to in writing, software
  *  distributed under the License is distributed on an "AS IS" BASIS,
diff --git a/include/itkBioCellularAggregateBase.h b/include/itkBioCellularAggregateBase.h
index b718a93..9851bd6 100644
--- a/include/itkBioCellularAggregateBase.h
+++ b/include/itkBioCellularAggregateBase.h
@@ -6,7 +6,7 @@
  *  you may not use this file except in compliance with the License.
  *  You may obtain a copy of the License at
  *
- *         http://www.apache.org/licenses/LICENSE-2.0.txt
+ *         https://www.apache.org/licenses/LICENSE-2.0.txt
  *
  *  Unless required by applicable law or agreed to in writing, software
  *  distributed under the License is distributed on an "AS IS" BASIS,
diff --git a/include/itkBioGene.h b/include/itkBioGene.h
index 5954589..cc5ea58 100644
--- a/include/itkBioGene.h
+++ b/include/itkBioGene.h
@@ -6,7 +6,7 @@
  *  you may not use this file except in compliance with the License.
  *  You may obtain a copy of the License at
  *
- *         http://www.apache.org/licenses/LICENSE-2.0.txt
+ *         https://www.apache.org/licenses/LICENSE-2.0.txt
  *
  *  Unless required by applicable law or agreed to in writing, software
  *  distributed under the License is distributed on an "AS IS" BASIS,
diff --git a/include/itkBioGeneNetwork.h b/include/itkBioGeneNetwork.h
index 069dca6..891b6e3 100644
--- a/include/itkBioGeneNetwork.h
+++ b/include/itkBioGeneNetwork.h
@@ -6,7 +6,7 @@
  *  you may not use this file except in compliance with the License.
  *  You may obtain a copy of the License at
  *
- *         http://www.apache.org/licenses/LICENSE-2.0.txt
+ *         https://www.apache.org/licenses/LICENSE-2.0.txt
  *
  *  Unless required by applicable law or agreed to in writing, software
  *  distributed under the License is distributed on an "AS IS" BASIS,
diff --git a/include/itkBioGenome.h b/include/itkBioGenome.h
index 91628ac..a7784ca 100644
--- a/include/itkBioGenome.h
+++ b/include/itkBioGenome.h
@@ -6,7 +6,7 @@
  *  you may not use this file except in compliance with the License.
  *  You may obtain a copy of the License at
  *
- *         http://www.apache.org/licenses/LICENSE-2.0.txt
+ *         https://www.apache.org/licenses/LICENSE-2.0.txt
  *
  *  Unless required by applicable law or agreed to in writing, software
  *  distributed under the License is distributed on an "AS IS" BASIS,
diff --git a/src/itkBioCellBase.cxx b/src/itkBioCellBase.cxx
index e2077d3..72fb1c0 100644
--- a/src/itkBioCellBase.cxx
+++ b/src/itkBioCellBase.cxx
@@ -6,7 +6,7 @@
  *  you may not use this file except in compliance with the License.
  *  You may obtain a copy of the License at
  *
- *         http://www.apache.org/licenses/LICENSE-2.0.txt
+ *         https://www.apache.org/licenses/LICENSE-2.0.txt
  *
  *  Unless required by applicable law or agreed to in writing, software
  *  distributed under the License is distributed on an "AS IS" BASIS,
diff --git a/src/itkBioCellularAggregateBase.cxx b/src/itkBioCellularAggregateBase.cxx
index 3a52b10..48b7bce 100644
--- a/src/itkBioCellularAggregateBase.cxx
+++ b/src/itkBioCellularAggregateBase.cxx
@@ -6,7 +6,7 @@
  *  you may not use this file except in compliance with the License.
  *  You may obtain a copy of the License at
  *
- *         http://www.apache.org/licenses/LICENSE-2.0.txt
+ *         https://www.apache.org/licenses/LICENSE-2.0.txt
  *
  *  Unless required by applicable law or agreed to in writing, software
  *  distributed under the License is distributed on an "AS IS" BASIS,
diff --git a/src/itkBioGene.cxx b/src/itkBioGene.cxx
index 7119810..8b442e2 100644
--- a/src/itkBioGene.cxx
+++ b/src/itkBioGene.cxx
@@ -6,7 +6,7 @@
  *  you may not use this file except in compliance with the License.
  *  You may obtain a copy of the License at
  *
- *         http://www.apache.org/licenses/LICENSE-2.0.txt
+ *         https://www.apache.org/licenses/LICENSE-2.0.txt
  *
  *  Unless required by applicable law or agreed to in writing, software
  *  distributed under the License is distributed on an "AS IS" BASIS,
diff --git a/src/itkBioGeneNetwork.cxx b/src/itkBioGeneNetwork.cxx
index bbbfc7e..3c67690 100644
--- a/src/itkBioGeneNetwork.cxx
+++ b/src/itkBioGeneNetwork.cxx
@@ -6,7 +6,7 @@
  *  you may not use this file except in compliance with the License.
  *  You may obtain a copy of the License at
  *
- *         http://www.apache.org/licenses/LICENSE-2.0.txt
+ *         https://www.apache.org/licenses/LICENSE-2.0.txt
  *
  *  Unless required by applicable law or agreed to in writing, software
  *  distributed under the License is distributed on an "AS IS" BASIS,
diff --git a/src/itkBioGenome.cxx b/src/itkBioGenome.cxx
index a84c031..d8f2dbc 100644
--- a/src/itkBioGenome.cxx
+++ b/src/itkBioGenome.cxx
@@ -6,7 +6,7 @@
  *  you may not use this file except in compliance with the License.
  *  You may obtain a copy of the License at
  *
- *         http://www.apache.org/licenses/LICENSE-2.0.txt
+ *         https://www.apache.org/licenses/LICENSE-2.0.txt
  *
  *  Unless required by applicable law or agreed to in writing, software
  *  distributed under the License is distributed on an "AS IS" BASIS,
diff --git a/test/itkBioCellTest.cxx b/test/itkBioCellTest.cxx
index 228f410..7253dcf 100644
--- a/test/itkBioCellTest.cxx
+++ b/test/itkBioCellTest.cxx
@@ -6,7 +6,7 @@
  *  you may not use this file except in compliance with the License.
  *  You may obtain a copy of the License at
  *
- *         http://www.apache.org/licenses/LICENSE-2.0.txt
+ *         https://www.apache.org/licenses/LICENSE-2.0.txt
  *
  *  Unless required by applicable law or agreed to in writing, software
  *  distributed under the License is distributed on an "AS IS" BASIS,
diff --git a/test/itkBioCellularAggregateTest.cxx b/test/itkBioCellularAggregateTest.cxx
index 395d9af..3cd86ec 100644
--- a/test/itkBioCellularAggregateTest.cxx
+++ b/test/itkBioCellularAggregateTest.cxx
@@ -6,7 +6,7 @@
  *  you may not use this file except in compliance with the License.
  *  You may obtain a copy of the License at
  *
- *         http://www.apache.org/licenses/LICENSE-2.0.txt
+ *         https://www.apache.org/licenses/LICENSE-2.0.txt
  *
  *  Unless required by applicable law or agreed to in writing, software
  *  distributed under the License is distributed on an "AS IS" BASIS,
diff --git a/test/itkBioGeneNetworkTest.cxx b/test/itkBioGeneNetworkTest.cxx
index 9fd7e71..4f5bf1e 100644
--- a/test/itkBioGeneNetworkTest.cxx
+++ b/test/itkBioGeneNetworkTest.cxx
@@ -6,7 +6,7 @@
  *  you may not use this file except in compliance with the License.
  *  You may obtain a copy of the License at
  *
- *         http://www.apache.org/licenses/LICENSE-2.0.txt
+ *         https://www.apache.org/licenses/LICENSE-2.0.txt
  *
  *  Unless required by applicable law or agreed to in writing, software
  *  distributed under the License is distributed on an "AS IS" BASIS,
diff --git a/test/itkBioGeneTest.cxx b/test/itkBioGeneTest.cxx
index 105a283..6538481 100644
--- a/test/itkBioGeneTest.cxx
+++ b/test/itkBioGeneTest.cxx
@@ -6,7 +6,7 @@
  *  you may not use this file except in compliance with the License.
  *  You may obtain a copy of the License at
  *
- *         http://www.apache.org/licenses/LICENSE-2.0.txt
+ *         https://www.apache.org/licenses/LICENSE-2.0.txt
  *
  *  Unless required by applicable law or agreed to in writing, software
  *  distributed under the License is distributed on an "AS IS" BASIS,
diff --git a/test/itkBioGenomeTest.cxx b/test/itkBioGenomeTest.cxx
index f7d25be..e42aa5c 100644
--- a/test/itkBioGenomeTest.cxx
+++ b/test/itkBioGenomeTest.cxx
@@ -6,7 +6,7 @@
  *  you may not use this file except in compliance with the License.
  *  You may obtain a copy of the License at
  *
- *         http://www.apache.org/licenses/LICENSE-2.0.txt
+ *         https://www.apache.org/licenses/LICENSE-2.0.txt
  *
  *  Unless required by applicable law or agreed to in writing, software
  *  distributed under the License is distributed on an "AS IS" BASIS,