diff --git a/services/account_unification/pyproject.toml b/services/account_unification/pyproject.toml
index 79d5e39..a55d0be 100644
--- a/services/account_unification/pyproject.toml
+++ b/services/account_unification/pyproject.toml
@@ -22,7 +22,7 @@ dependencies = [
 [project.optional-dependencies]
 dev = [
     "coverage==7.15.4",
-    "httpx2==2.9.1",
+    "httpx2==2.12.0",
     "interrogate==1.7.0",
     "pytest==9.1.1",
     "ruff==0.16.3",
diff --git a/services/account_unification/requirements-dev.txt b/services/account_unification/requirements-dev.txt
index e071985..75f825e 100644
--- a/services/account_unification/requirements-dev.txt
+++ b/services/account_unification/requirements-dev.txt
@@ -308,9 +308,9 @@ httpx==0.28.1 \
     --hash=sha256:75e98c5f16b0f35b567856f597f06ff2270a374470a5c2392242528e3e3e42fc \
     --hash=sha256:d909fcccc110f8c7faf814ca82a9a4d816bc5a6dbfea25d6591d6985b8ba59ad
     # via cwl-idp-account-unification
-httpx2==2.9.1 \
-    --hash=sha256:1820fe14a9ab1107bfeff39259987429450b070ec0ff38cc87eb0d8c97fdc71a \
-    --hash=sha256:1932a768737e3666291582833da748cc4e563c337cf96706fccc04fa6e58764a
+httpx2==2.12.0 \
+    --hash=sha256:7631fe9887a8a2275f4a2540e053aa670fcc50742864a9ae7c66e609fdcf12cf \
+    --hash=sha256:cc8b6eecb8661c146b8f89a60e97456ee086e91a784ed31ac450c3a9e613dd36
     # via cwl-idp-account-unification
 idna==3.18 \
     --hash=sha256:7f952cbe720b688055e3f87de14f5c3e5fdaa8bc3928985c4077ca689de849a2 \