diff --git a/requirements.txt b/requirements.txt
index 4c4e71b..69233a5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,5 +8,5 @@ ffmpeg-python==0.2.0
 Pillow==8.4.0
 scikit-image==0.18.3
 h5py==3.1.0
-PyQt5==5.15.4
+PyQt5==5.15.9
 numexpr==2.7.3
diff --git a/requirements_3.10.txt b/requirements_3.10.txt
index ff2e638..b81d682 100644
--- a/requirements_3.10.txt
+++ b/requirements_3.10.txt
@@ -9,4 +9,4 @@ ffmpeg-python==0.2.0
 Pillow==8.4.0
 scikit-image==0.19.2
 h5py==3.6.0
-PyQt5==5.15.4
+PyQt5==5.15.9
diff --git a/requirements_3.6.txt b/requirements_3.6.txt
index cfbeb07..ef2d470 100644
--- a/requirements_3.6.txt
+++ b/requirements_3.6.txt
@@ -8,5 +8,5 @@ ffmpeg-python==0.2.0
 Pillow==8.4.0
 scikit-image==0.17.2
 h5py==3.1.0
-PyQt5==5.15.4
+PyQt5==5.15.9
 numexpr==2.7.3
diff --git a/requirements_3.9.txt b/requirements_3.9.txt
index 60fe7a4..c9d4ac6 100644
--- a/requirements_3.9.txt
+++ b/requirements_3.9.txt
@@ -8,5 +8,5 @@ ffmpeg-python==0.2.0
 Pillow==8.4.0
 scikit-image==0.18.3
 h5py==3.1.0
-PyQt5==5.15.4
+PyQt5==5.15.9
 numexpr==2.7.3