diff --git a/cpu_requirements.txt b/cpu_requirements.txt
index 6acd53c..b5fbf32 100644
--- a/cpu_requirements.txt
+++ b/cpu_requirements.txt
@@ -1,7 +1,7 @@
 jsonschema==2.6.0
 matplotlib==3.2.1
 numpy==1.18.2
-opencv-python==3.4.0.12
+opencv-python==3.4.7.28
 Pillow==8.1.1
 PyQt5==5.14.2
 redner==0.3.11
diff --git a/gpu_requirements.txt b/gpu_requirements.txt
index 8d20cfe..825a79c 100644
--- a/gpu_requirements.txt
+++ b/gpu_requirements.txt
@@ -1,7 +1,7 @@
 jsonschema==2.6.0
 matplotlib==3.2.1
 numpy==1.18.2
-opencv-python==3.4.0.12
+opencv-python==3.4.7.28
 Pillow==8.1.1
 PyQt5==5.14.2
 redner-gpu==0.3.11