diff --git a/lockfiles/py312/requirements.txt b/lockfiles/py312/requirements.txt
index a0a7ddd..74dc588 100644
--- a/lockfiles/py312/requirements.txt
+++ b/lockfiles/py312/requirements.txt
@@ -14,9 +14,9 @@ beautifulsoup4==4.15.0 \
     --hash=sha256:288e3ca7d54b06f2ac191970bc275c1939cb46d450b255bf6718b04aa37ab4f7 \
     --hash=sha256:d6f88de62e1d4e38ecb1077eb9724cd0eff29d2a08ca16a401e9b9e93f117cf9
     # via -r requirements.in
-certifi==2026.5.20 \
-    --hash=sha256:3c52e209ba0a4ad7aebe60436a4ab349c39e1e602e8c134221e546902ad25897 \
-    --hash=sha256:69dea482ab64caa7b9f6aba1c6bf48bb6a5448d1c0f1b17ab42ad8c763a5344d
+certifi==2026.6.17 \
+    --hash=sha256:024c88eeec92ca068db80f02b8b07c9cef7b9fe261d1d535abfd5abd6f6af432 \
+    --hash=sha256:2227dcbaafe0d2f59279d1762ddddc37783ed4354594f194ffc31d20f41fc3db
     # via
     #   httpcore
     #   httpx