diff --git a/CI/requirements_ci.in b/CI/requirements_ci.in
index ad2575b4..f05c4808 100644
--- a/CI/requirements_ci.in
+++ b/CI/requirements_ci.in
@@ -1,7 +1,7 @@
 bump-my-version==0.32.1
 deptry==0.23.0
 exceptiongroup==1.2.2
-flit==3.11.0
+flit==3.12.0
 pip==25.0.1
 pylint==3.3.6
 tomli==2.2.1
diff --git a/CI/requirements_ci.txt b/CI/requirements_ci.txt
index e3c7cb6b..ebc3e229 100644
--- a/CI/requirements_ci.txt
+++ b/CI/requirements_ci.txt
@@ -184,9 +184,9 @@ filelock==3.18.0 \
     # via
     #   tox
     #   virtualenv
-flit==3.11.0 \
-    --hash=sha256:58d0a07f684c315700c9c54a661a1130995798c3e495db0db53ce6e7d0121825 \
-    --hash=sha256:e4316b02fe6392e65dc489f78b561e635fd1c74652a52b95a8ce5939d688717e
+flit==3.12.0 \
+    --hash=sha256:1c80f34dd96992e7758b40423d2809f48f640ca285d0b7821825e50745ec3740 \
+    --hash=sha256:2b4e7171dc22881fa6adc2dbf083e5ecc72520be3cd7587d2a803da94d6ef431
     # via -r CI/requirements_ci.in
 flit-core==3.12.0 \
     --hash=sha256:18f63100d6f94385c6ed57a72073443e1a71a4acb4339491615d0f16d6ff01b2 \