diff --git a/CHANGELOG.md b/CHANGELOG.md
index a38826594..3a1a942ad 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # HDMF Changelog
 
-## Upcoming (TBD)
+## HDMF 3.1.0 (July 29, 2021)
 
 ### New features
 - Added several features to simplify interaction with ``DynamicTable`` objects that link to other tables via
diff --git a/requirements-dev.txt b/requirements-dev.txt
index a5ce081aa..f408db4fe 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -6,5 +6,5 @@ flake8==3.9.2
 flake8-debugger==4.0.0
 flake8-print==4.0.0
 importlib-metadata==4.6.1
-python-dateutil==2.8.1
-tox==3.23.1
+python-dateutil==2.8.2
+tox==3.24.0
diff --git a/requirements.txt b/requirements.txt
index 322659f95..049de2d7c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,8 +1,8 @@
 # pinned dependencies to reproduce an entire development environment to use HDMF
 h5py==3.3.0
-numpy==1.21.0
+numpy==1.21.1
 scipy==1.7.0
-pandas==1.3.0
+pandas==1.3.1
 ruamel.yaml==0.17.10
 jsonschema==3.2.0
-setuptools==57.1.0
+setuptools==57.4.0