diff --git a/PyEMD/__init__.py b/PyEMD/__init__.py
index 1e36780..477c51d 100644
--- a/PyEMD/__init__.py
+++ b/PyEMD/__init__.py
@@ -1,6 +1,6 @@
 import logging
 
-__version__ = "1.2.0"
+__version__ = "1.2.1"
 logger = logging.getLogger("pyemd")
 
 from PyEMD.CEEMDAN import CEEMDAN  # noqa
diff --git a/changelog.md b/changelog.md
new file mode 100644
index 0000000..e3333b1
--- /dev/null
+++ b/changelog.md
@@ -0,0 +1,8 @@
+## 1.2.1
+
+* Removed version cap from NumPy and SciPy dependencies
+* Introduction of the changelog
+
+## 1.2.0
+
+* Adds significance tests. Only currently added test is *Whitenoise significance check*.
diff --git a/requirements-extra.txt b/requirements-extra.txt
index 19d4d9f..96651b4 100644
--- a/requirements-extra.txt
+++ b/requirements-extra.txt
@@ -1,5 +1,5 @@
 numpy>=1.12
-numpydoc
+numpydoc>=1.1.0
 scipy>=0.19
 matplotlib
 pathos>=0.2.1
diff --git a/requirements.txt b/requirements.txt
index 0da175e..094e97f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,3 @@
-numpy>=1.12,<=1.20
-scipy>=0.19,<=1.18
+numpy>=1.12
+scipy>=0.19
 pathos>=0.2.1
diff --git a/setup.py b/setup.py
index 8e27e0d..336a396 100644
--- a/setup.py
+++ b/setup.py
@@ -1,6 +1,6 @@
 from setuptools import setup
 
-VERSION = "1.2.0"
+VERSION = "1.2.1"
 
 DESCRIPTION = "Implementation of the Empirical Mode Decomposition (EMD) and its variations"