diff --git a/CHANGELOG.md b/CHANGELOG.md
index 28a915b..56de91f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 ### Changed
 
 + Updated hydrus server version
++ Updated dependencies
 
 ## [4.2.0] - 2020-12-09
 
diff --git a/Dockerfile b/Dockerfile
index 016c587..c821c44 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -42,16 +42,16 @@ RUN \
   . venv/bin/activate && \
   pip install \
     beautifulsoup4~=4.9.3 \
-    chardet~=3.0.4 \
-    lz4~=3.1.1 \
-    numpy~=1.19.4 \
-    opencv-python-headless~=4.4.0.46 \
-    pillow~=8.0.1 \
-    psutil~=5.7.3 \
+    chardet~=4.0.0 \
+    lz4~=3.1.3 \
+    numpy~=1.19.5 \
+    opencv-python-headless~=4.5.1.48 \
+    pillow~=8.1.0 \
+    psutil~=5.8.0 \
     pylzma~=0.5.0 \
-    pyopenssl~=20.0.0 \
-    pyyaml~=5.3.1 \
-    requests~=2.25.0 \
+    pyopenssl~=20.0.1 \
+    pyyaml~=5.4.1 \
+    requests~=2.25.1 \
     send2trash~=1.5.0 \
     service_identity~=18.1.0 \
     twisted~=20.3.0 && \