diff --git a/.devcontainer/Dockerfile b/.devcontainer/Dockerfile
index 330f57d782..ce36ab9157 100644
--- a/.devcontainer/Dockerfile
+++ b/.devcontainer/Dockerfile
@@ -1,4 +1,4 @@
-ARG VARIANT="3.8"
+ARG VARIANT="3.12"
 FROM mcr.microsoft.com/devcontainers/python:${VARIANT}
 
 #install nox
diff --git a/.devcontainer/requirements.txt b/.devcontainer/requirements.txt
index a4d4017860..fbae22e6c0 100644
--- a/.devcontainer/requirements.txt
+++ b/.devcontainer/requirements.txt
@@ -4,9 +4,9 @@
 #
 #    pip-compile --generate-hashes requirements.in
 #
-argcomplete==3.1.1 \
-    --hash=sha256:35fa893a88deea85ea7b20d241100e64516d6af6d7b0ae2bed1d263d26f70948 \
-    --hash=sha256:6c4c563f14f01440aaffa3eae13441c5db2357b5eec639abe7c0b15334627dff
+argcomplete==3.1.6 \
+    --hash=sha256:3b1f07d133332547a53c79437527c00be48cca3807b1d4ca5cab1b26313386a6 \
+    --hash=sha256:71f4683bc9e6b0be85f2b2c1224c47680f210903e23512cfebfe5a41edfd883a
     # via nox
 colorlog==6.7.0 \
     --hash=sha256:0d33ca236784a1ba3ff9c532d4964126d8a2c44f1f0cb1d2b0728196f512f662 \
@@ -16,23 +16,23 @@ distlib==0.3.7 \
     --hash=sha256:2e24928bc811348f0feb63014e97aaae3037f2cf48712d51ae61df7fd6075057 \
     --hash=sha256:9dafe54b34a028eafd95039d5e5d4851a13734540f1331060d31c9916e7147a8
     # via virtualenv
-filelock==3.12.2 \
-    --hash=sha256:002740518d8aa59a26b0c76e10fb8c6e15eae825d34b6fdf670333fd7b938d81 \
-    --hash=sha256:cbb791cdea2a72f23da6ac5b5269ab0a0d161e9ef0100e653b69049a7706d1ec
+filelock==3.13.1 \
+    --hash=sha256:521f5f56c50f8426f5e03ad3b281b490a87ef15bc6c526f168290f0c7148d44e \
+    --hash=sha256:57dbda9b35157b05fb3e58ee91448612eb674172fab98ee235ccb0b5bee19a1c
     # via virtualenv
 nox==2023.4.22 \
     --hash=sha256:0b1adc619c58ab4fa57d6ab2e7823fe47a32e70202f287d78474adcc7bda1891 \
     --hash=sha256:46c0560b0dc609d7d967dc99e22cb463d3c4caf54a5fda735d6c11b5177e3a9f
     # via -r requirements.in
-packaging==23.1 \
-    --hash=sha256:994793af429502c4ea2ebf6bf664629d07c1a9fe974af92966e4b8d2df7edc61 \
-    --hash=sha256:a392980d2b6cffa644431898be54b0045151319d1e7ec34f0cfed48767dd334f
+packaging==23.2 \
+    --hash=sha256:048fb0e9405036518eaaf48a55953c750c11e1a1b68e0dd1a9d62ed0c092cfc5 \
+    --hash=sha256:8c491190033a9af7e1d931d0b5dacc2ef47509b34dd0de67ed209b5203fc88c7
     # via nox
-platformdirs==3.9.1 \
-    --hash=sha256:1b42b450ad933e981d56e59f1b97495428c9bd60698baab9f3eb3d00d5822421 \
-    --hash=sha256:ad8291ae0ae5072f66c16945166cb11c63394c7a3ad1b1bc9828ca3162da8c2f
+platformdirs==4.0.0 \
+    --hash=sha256:118c954d7e949b35437270383a3f2531e99dd93cf7ce4dc8340d3356d30f173b \
+    --hash=sha256:cb633b2bcf10c51af60beb0ab06d2f1d69064b43abf4c185ca6b28865f3f9731
     # via virtualenv
-virtualenv==20.24.1 \
-    --hash=sha256:01aacf8decd346cf9a865ae85c0cdc7f64c8caa07ff0d8b1dfc1733d10677442 \
-    --hash=sha256:2ef6a237c31629da6442b0bcaa3999748108c7166318d1f55cc9f8d7294e97bd
+virtualenv==20.25.0 \
+    --hash=sha256:4238949c5ffe6876362d9c0180fc6c3a824a7b12b80604eeb8085f2ed7460de3 \
+    --hash=sha256:bf51c0d9c7dd63ea8e44086fa1e4fb1093a31e963b86959257378aef020e1f1b
     # via nox
diff --git a/.github/workflows/integration-tests-against-emulator.yaml b/.github/workflows/integration-tests-against-emulator.yaml
index 8f074c1555..bd76a757a6 100644
--- a/.github/workflows/integration-tests-against-emulator.yaml
+++ b/.github/workflows/integration-tests-against-emulator.yaml
@@ -17,7 +17,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Setup Python
         uses: actions/setup-python@v4
         with:
diff --git a/samples/samples/requirements-test.txt b/samples/samples/requirements-test.txt
index ef7c9216af..7708ee1e3a 100644
--- a/samples/samples/requirements-test.txt
+++ b/samples/samples/requirements-test.txt
@@ -1,4 +1,4 @@
-pytest==7.3.1
+pytest==7.4.3
 pytest-dependency==0.5.1
-mock==5.0.2
+mock==5.1.0
 google-cloud-testutils==1.3.3
diff --git a/samples/samples/requirements.txt b/samples/samples/requirements.txt
index 4ca3a436c6..7747037537 100644
--- a/samples/samples/requirements.txt
+++ b/samples/samples/requirements.txt
@@ -1,2 +1,2 @@
-google-cloud-spanner==3.35.1
+google-cloud-spanner==3.40.1
 futures==3.4.0; python_version < "3"