diff --git a/services/catalog/requirements/_base.txt b/services/catalog/requirements/_base.txt
index c8f071f3b3c..108ddb7989b 100644
--- a/services/catalog/requirements/_base.txt
+++ b/services/catalog/requirements/_base.txt
@@ -129,7 +129,7 @@ httpcore==1.0.7
     # via httpx
 httptools==0.6.4
     # via uvicorn
-httpx==0.28.0
+httpx==0.27.2
     # via
     #   -c requirements/../../../packages/common-library/requirements/../../../requirements/constraints.txt
     #   -c requirements/../../../packages/models-library/requirements/../../../packages/common-library/requirements/../../../requirements/constraints.txt
@@ -460,7 +460,9 @@ shellingham==1.5.4
 six==1.16.0
     # via python-dateutil
 sniffio==1.3.1
-    # via anyio
+    # via
+    #   anyio
+    #   httpx
 sqlalchemy==1.4.54
     # via
     #   -c requirements/../../../packages/common-library/requirements/../../../requirements/constraints.txt
diff --git a/services/catalog/requirements/_test.txt b/services/catalog/requirements/_test.txt
index 3ab6c919fe4..33af4b296b9 100644
--- a/services/catalog/requirements/_test.txt
+++ b/services/catalog/requirements/_test.txt
@@ -66,7 +66,7 @@ httpcore==1.0.7
     # via
     #   -c requirements/_base.txt
     #   httpx
-httpx==0.28.0
+httpx==0.27.2
     # via
     #   -c requirements/../../../requirements/constraints.txt
     #   -c requirements/_base.txt
@@ -175,6 +175,7 @@ sniffio==1.3.1
     #   -c requirements/_base.txt
     #   anyio
     #   asgi-lifespan
+    #   httpx
 sqlalchemy==1.4.54
     # via
     #   -c requirements/../../../requirements/constraints.txt