diff --git a/services/account_unification/requirements-dev.txt b/services/account_unification/requirements-dev.txt
index 77fde00..0a2dd88 100644
--- a/services/account_unification/requirements-dev.txt
+++ b/services/account_unification/requirements-dev.txt
@@ -19,9 +19,9 @@ attrs==26.1.0 \
     --hash=sha256:c647aa4a12dfbad9333ca4e71fe62ddc36f4e63b2d260a37a8b83d2f043ac309 \
     --hash=sha256:d03ceb89cb322a8fd706d4fb91940737b6642aa36998fe130a9bc96c985eff32
     # via interrogate
-certifi==2026.6.17 \
-    --hash=sha256:024c88eeec92ca068db80f02b8b07c9cef7b9fe261d1d535abfd5abd6f6af432 \
-    --hash=sha256:2227dcbaafe0d2f59279d1762ddddc37783ed4354594f194ffc31d20f41fc3db
+certifi==2026.7.22 \
+    --hash=sha256:62f22742b58a1a33014a2b6b706588a8d7e2a88ae7bd1a6ebe8c992928483775 \
+    --hash=sha256:741e2c3b351ddf169a738da9f2c048608ff7f2c5cc02f1ebc6b118bb090d5d55
     # via
     #   httpcore
     #   httpx