diff --git a/requirements-test.txt b/requirements-test.txt
index d59f3e2b3..a93de3936 100644
--- a/requirements-test.txt
+++ b/requirements-test.txt
@@ -45,9 +45,9 @@ cachetools==6.2.2 \
     # via
     #   -r requirements.txt
     #   google-auth
-celery==5.5.3 \
-    --hash=sha256:0b5761a07057acee94694464ca482416b959568904c9dfa41ce8413a7d65d525 \
-    --hash=sha256:6c972ae7968c2b5281227f01c3a3f984037d21c5129d07bf3550cc2afc6b10a5
+celery==5.6.2 \
+    --hash=sha256:3ffafacbe056951b629c7abcf9064c4a2366de0bdfc9fdba421b97ebb68619a5 \
+    --hash=sha256:4a8921c3fcf2ad76317d3b29020772103581ed2454c4c042cc55dcc43585009b
     # via -r requirements.txt
 certifi==2025.11.12 \
     --hash=sha256:97de8790030bbd5c2d96b7ec782fc2f7820ef8dba6db909ccf95449f2d062d4b \
diff --git a/requirements.txt b/requirements.txt
index 94db964bb..5e0bf3453 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -34,9 +34,9 @@ cachetools==6.2.2 \
     --hash=sha256:6c09c98183bf58560c97b2abfcedcbaf6a896a490f534b031b661d3723b45ace \
     --hash=sha256:8e6d266b25e539df852251cfd6f990b4bc3a141db73b939058d809ebd2590fc6
     # via google-auth
-celery==5.5.3 \
-    --hash=sha256:0b5761a07057acee94694464ca482416b959568904c9dfa41ce8413a7d65d525 \
-    --hash=sha256:6c972ae7968c2b5281227f01c3a3f984037d21c5129d07bf3550cc2afc6b10a5
+celery==5.6.2 \
+    --hash=sha256:3ffafacbe056951b629c7abcf9064c4a2366de0bdfc9fdba421b97ebb68619a5 \
+    --hash=sha256:4a8921c3fcf2ad76317d3b29020772103581ed2454c4c042cc55dcc43585009b
     # via iib (setup.py)
 certifi==2025.11.12 \
     --hash=sha256:97de8790030bbd5c2d96b7ec782fc2f7820ef8dba6db909ccf95449f2d062d4b \