diff --git a/requirements/constraints.txt b/requirements/constraints.txt
index 9d1ddf20173..fd1b65a1beb 100644
--- a/requirements/constraints.txt
+++ b/requirements/constraints.txt
@@ -135,6 +135,8 @@ packaging==25.0
     #   wheel
 pip-tools==7.4.1
     # via -r requirements/dev.in
+pkgconfig==1.5.5
+    # via -r requirements/test.in
 platformdirs==4.3.8
     # via virtualenv
 pluggy==1.6.0
@@ -153,7 +155,7 @@ pycares==4.8.0
     # via aiodns
 pycparser==2.22
     # via cffi
-pydantic==2.11.4
+pydantic==2.11.5
     # via python-on-whales
 pydantic-core==2.33.2
     # via pydantic
diff --git a/requirements/dev.txt b/requirements/dev.txt
index 181d0cf8f93..d63205d4af5 100644
--- a/requirements/dev.txt
+++ b/requirements/dev.txt
@@ -132,6 +132,8 @@ packaging==25.0
     #   wheel
 pip-tools==7.4.1
     # via -r requirements/dev.in
+pkgconfig==1.5.5
+    # via -r requirements/test.in
 platformdirs==4.3.8
     # via virtualenv
 pluggy==1.6.0
@@ -150,7 +152,7 @@ pycares==4.8.0
     # via aiodns
 pycparser==2.22
     # via cffi
-pydantic==2.11.4
+pydantic==2.11.5
     # via python-on-whales
 pydantic-core==2.33.2
     # via pydantic
diff --git a/requirements/lint.txt b/requirements/lint.txt
index be29f603556..19a589f58dd 100644
--- a/requirements/lint.txt
+++ b/requirements/lint.txt
@@ -65,7 +65,7 @@ pycares==4.8.0
     # via aiodns
 pycparser==2.22
     # via cffi
-pydantic==2.11.4
+pydantic==2.11.5
     # via python-on-whales
 pydantic-core==2.33.2
     # via pydantic
diff --git a/requirements/test.txt b/requirements/test.txt
index 24e677a09e5..f8eb4d6b193 100644
--- a/requirements/test.txt
+++ b/requirements/test.txt
@@ -69,6 +69,8 @@ packaging==25.0
     # via
     #   gunicorn
     #   pytest
+pkgconfig==1.5.5
+    # via -r requirements/test.in
 pluggy==1.6.0
     # via pytest
 propcache==0.3.1
@@ -81,7 +83,7 @@ pycares==4.8.0
     # via aiodns
 pycparser==2.22
     # via cffi
-pydantic==2.11.4
+pydantic==2.11.5
     # via python-on-whales
 pydantic-core==2.33.2
     # via pydantic