diff --git a/requirements/constraints.txt b/requirements/constraints.txt
index dc4b096646f..2f5754c6d30 100644
--- a/requirements/constraints.txt
+++ b/requirements/constraints.txt
@@ -102,6 +102,8 @@ jinja2==3.1.6
     # via
     #   sphinx
     #   towncrier
+librt==0.6.3
+    # via mypy
 markdown-it-py==4.0.0
     # via rich
 markupsafe==3.0.3
@@ -113,7 +115,7 @@ multidict==6.7.0
     #   -r requirements/multidict.in
     #   -r requirements/runtime-deps.in
     #   yarl
-mypy==1.18.2 ; implementation_name == "cpython"
+mypy==1.19.0 ; implementation_name == "cpython"
     # via
     #   -r requirements/lint.in
     #   -r requirements/test-common.in
diff --git a/requirements/dev.txt b/requirements/dev.txt
index 3ada1c7725b..246a10ef754 100644
--- a/requirements/dev.txt
+++ b/requirements/dev.txt
@@ -100,6 +100,8 @@ jinja2==3.1.6
     # via
     #   sphinx
     #   towncrier
+librt==0.6.3
+    # via mypy
 markdown-it-py==4.0.0
     # via rich
 markupsafe==3.0.3
@@ -110,7 +112,7 @@ multidict==6.7.0
     # via
     #   -r requirements/runtime-deps.in
     #   yarl
-mypy==1.18.2 ; implementation_name == "cpython"
+mypy==1.19.0 ; implementation_name == "cpython"
     # via
     #   -r requirements/lint.in
     #   -r requirements/test-common.in
diff --git a/requirements/lint.txt b/requirements/lint.txt
index ec2d60488f5..b37d3895bec 100644
--- a/requirements/lint.txt
+++ b/requirements/lint.txt
@@ -43,11 +43,13 @@ iniconfig==2.3.0
     # via pytest
 isal==1.7.2
     # via -r requirements/lint.in
+librt==0.6.3
+    # via mypy
 markdown-it-py==4.0.0
     # via rich
 mdurl==0.1.2
     # via markdown-it-py
-mypy==1.18.2 ; implementation_name == "cpython"
+mypy==1.19.0 ; implementation_name == "cpython"
     # via -r requirements/lint.in
 mypy-extensions==1.1.0
     # via mypy
diff --git a/requirements/test-common.txt b/requirements/test-common.txt
index 716242eeef3..2d51d514beb 100644
--- a/requirements/test-common.txt
+++ b/requirements/test-common.txt
@@ -34,11 +34,13 @@ iniconfig==2.3.0
     # via pytest
 isal==1.8.0 ; python_version < "3.14"
     # via -r requirements/test-common.in
+librt==0.6.3
+    # via mypy
 markdown-it-py==4.0.0
     # via rich
 mdurl==0.1.2
     # via markdown-it-py
-mypy==1.18.2 ; implementation_name == "cpython"
+mypy==1.19.0 ; implementation_name == "cpython"
     # via -r requirements/test-common.in
 mypy-extensions==1.1.0
     # via mypy
diff --git a/requirements/test-ft.txt b/requirements/test-ft.txt
index 290800a1238..2147bca4deb 100644
--- a/requirements/test-ft.txt
+++ b/requirements/test-ft.txt
@@ -55,6 +55,8 @@ iniconfig==2.3.0
     # via pytest
 isal==1.8.0 ; python_version < "3.14"
     # via -r requirements/test-common.in
+librt==0.6.3
+    # via mypy
 markdown-it-py==4.0.0
     # via rich
 mdurl==0.1.2
@@ -63,7 +65,7 @@ multidict==6.7.0
     # via
     #   -r requirements/runtime-deps.in
     #   yarl
-mypy==1.18.2 ; implementation_name == "cpython"
+mypy==1.19.0 ; implementation_name == "cpython"
     # via -r requirements/test-common.in
 mypy-extensions==1.1.0
     # via mypy
diff --git a/requirements/test.txt b/requirements/test.txt
index 1541c4c81f4..e61c5be7483 100644
--- a/requirements/test.txt
+++ b/requirements/test.txt
@@ -55,6 +55,8 @@ iniconfig==2.3.0
     # via pytest
 isal==1.7.2 ; python_version < "3.14"
     # via -r requirements/test-common.in
+librt==0.6.3
+    # via mypy
 markdown-it-py==4.0.0
     # via rich
 mdurl==0.1.2
@@ -63,7 +65,7 @@ multidict==6.7.0
     # via
     #   -r requirements/runtime-deps.in
     #   yarl
-mypy==1.18.2 ; implementation_name == "cpython"
+mypy==1.19.0 ; implementation_name == "cpython"
     # via -r requirements/test-common.in
 mypy-extensions==1.1.0
     # via mypy