diff --git a/lockfiles/py39/requirements.txt b/lockfiles/py39/requirements.txt
index 0a7316e..ba20e12 100644
--- a/lockfiles/py39/requirements.txt
+++ b/lockfiles/py39/requirements.txt
@@ -518,9 +518,9 @@ psutil==7.2.2 \
     --hash=sha256:eed63d3b4d62449571547b60578c5b2c4bcccc5387148db46e0c2313dad0ee00 \
     --hash=sha256:fd04ef36b4a6d599bbdb225dd1d3f51e00105f6d48a28f006da7f9822f2606d8
     # via -r requirements.in
-pycparser==2.23 \
-    --hash=sha256:78816d4f24add8f10a06d6f05b4d424ad9e96cfebf68a4ddc99c65c0720d00c2 \
-    --hash=sha256:e5c6e8d3fbad53479cab09ac03729e0a9faf2bee3db8208a550daf5af81a5934
+pycparser==3.0 \
+    --hash=sha256:600f49d217304a5902ac3c37e1281c9fe94e4d0489de643a9504c5cdfdfc6b29 \
+    --hash=sha256:b727414169a36b7d524c1c3e31839a521725078d7b2ff038656844266160a992
     # via cffi
 pymysql==1.1.3 \
     --hash=sha256:8164ba62c552f6105f3b11753352d0f16b90d1703ba67d81923d5a8a5d1c5289 \