diff --git a/jwtproxy/requirements.txt b/jwtproxy/requirements.txt
index 50ac5ccd..8cc47d90 100644
--- a/jwtproxy/requirements.txt
+++ b/jwtproxy/requirements.txt
@@ -9,6 +9,6 @@ cryptography==50.0.2
 frozenlist==1.8.0
 idna==3.20
 jwcrypto==1.6.1
-multidict==7.1.0
-pycparser==3.11
+multidict==7.2.1
+pycparser==3.12
 yarl===1.25.1
diff --git a/jwtproxy/requirements_dev.txt b/jwtproxy/requirements_dev.txt
index 71f07021..2360f600 100644
--- a/jwtproxy/requirements_dev.txt
+++ b/jwtproxy/requirements_dev.txt
@@ -12,7 +12,7 @@ pre-commit==4.7.0
 Pygments==2.21.0
 pytest==9.1.1
 pytest-aiohttp==1.1.1
-ruff==0.17.1
+ruff==0.17.2
 six==1.17.0
 sniffio==1.3.1
 yarl==1.25.1
diff --git a/tools/requirements.txt b/tools/requirements.txt
index d2c03e3d..fc837ea7 100644
--- a/tools/requirements.txt
+++ b/tools/requirements.txt
@@ -1,7 +1,7 @@
 aiohttp==3.14.5
 amsterdam-schema-tools==9.14.3
 attrs==26.1.0
-certifi==2026.10.19
+certifi==2026.10.23
 charset-normalizer==3.5.2
 click==8.5.0
 idna==3.20