diff --git a/airlock_processor/requirements-dev.txt b/airlock_processor/requirements-dev.txt
index 1714408a3..5f82229df 100644
--- a/airlock_processor/requirements-dev.txt
+++ b/airlock_processor/requirements-dev.txt
@@ -1,3 +1,3 @@
 # Dev requirements
-pytest==8.3.3
+pytest==9.0.3
 mock==5.2.0
diff --git a/api_app/requirements-dev.txt b/api_app/requirements-dev.txt
index ae35b66de..2a60d6e13 100644
--- a/api_app/requirements-dev.txt
+++ b/api_app/requirements-dev.txt
@@ -2,4 +2,4 @@
 pytest-asyncio==0.24.0
 httpx==0.28.1
 mock==5.2.0
-pytest==8.3.3
+pytest==9.0.3
diff --git a/api_app/requirements.txt b/api_app/requirements.txt
index 195b468a2..1195c2ab8 100644
--- a/api_app/requirements.txt
+++ b/api_app/requirements.txt
@@ -1,4 +1,4 @@
-aiohttp==3.13.3
+aiohttp==3.13.4
 azure-core==1.38.0
 azure-cosmos==4.14.3
 azure-eventgrid==4.22.0
diff --git a/cli/requirements.txt b/cli/requirements.txt
index 6ff31f310..82b05cbab 100644
--- a/cli/requirements.txt
+++ b/cli/requirements.txt
@@ -8,4 +8,4 @@ pygments==2.19.2
 PyJWT==2.10.1
 azure-cli-core==2.68.0
 azure-identity==1.25.1
-aiohttp==3.13.3
+aiohttp==3.13.4
diff --git a/cli/setup.py b/cli/setup.py
index 5a88a85f7..5f0ee50a0 100644
--- a/cli/setup.py
+++ b/cli/setup.py
@@ -49,7 +49,7 @@
         "PyJWT==2.10.1",
         "azure-cli-core==2.68.0",
         "azure-identity==1.25.1",
-        "aiohttp==3.13.3"
+        "aiohttp==3.13.4"
     ],
 
     namespace_packages=[],
diff --git a/e2e_tests/requirements.txt b/e2e_tests/requirements.txt
index d318c0cc9..165f5ec45 100644
--- a/e2e_tests/requirements.txt
+++ b/e2e_tests/requirements.txt
@@ -1,6 +1,6 @@
 # API
 httpx==0.28.1
-pytest==8.3.3
+pytest==9.0.3
 pytest-asyncio==0.24.0
 starlette==0.50.0
 pytest-timeout==2.2.0
diff --git a/resource_processor/vmss_porter/requirements.txt b/resource_processor/vmss_porter/requirements.txt
index b984362eb..0e3a351a4 100644
--- a/resource_processor/vmss_porter/requirements.txt
+++ b/resource_processor/vmss_porter/requirements.txt
@@ -1,4 +1,4 @@
-aiohttp==3.13.3
+aiohttp==3.13.4
 azure-cli-core==2.68.0
 azure-identity==1.25.1
 azure-monitor-opentelemetry==1.6.4