diff --git a/requirements.in b/requirements.in
index 0c28adc..5258714 100644
--- a/requirements.in
+++ b/requirements.in
@@ -11,7 +11,7 @@ psycopg-binary==3.3.3
 whitenoise==6.11.0
 
 # Dev / QA
-mypy==1.19.1
+mypy==1.20.1
 pre_commit==4.5.1
 pytest==9.0.2
 ruff==0.15.1
diff --git a/requirements.txt b/requirements.txt
index 487b0a3..4d4234f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -26,7 +26,7 @@ iniconfig==2.3.0
     # via pytest
 librt==0.8.1
     # via mypy
-mypy==1.19.1
+mypy==1.20.1
     # via -r requirements.in
 mypy-extensions==1.1.0
     # via mypy