diff --git a/requirements-dev.txt b/requirements-dev.txt
index 1dc9590..6da8be3 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,5 +1,5 @@
-pyinstaller==6.20.0
+pyinstaller==6.21.0
 # Use patched fork to work around https://github.com/matthew-brett/delocate/issues/228
 git+https://github.com/justvanrossum/delocate.git
 # delocate==0.12.0
-pytest==9.0.3
+pytest==9.1.1
diff --git a/requirements.txt b/requirements.txt
index 76a897c..4b336e3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,4 +8,4 @@ PyQt6==6.7.1
 PyQt6-Qt6==6.7.3
 PyQt6-sip==13.10.3
 psutil==7.2.2
-certifi==2026.5.20
+certifi==2026.6.17