diff --git a/requirements-dev.txt b/requirements-dev.txt
index 9f97d4fa697..185dae7392b 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -24,7 +24,7 @@ h11==0.14.0
 h2==4.1.0
 hpack==4.0.0
 httpcore==1.0.7
-httpx==0.27.2
+httpx==0.28.0
 hyperframe==6.0.1
 idna==3.10
 importlib-metadata==6.8.0
@@ -33,13 +33,13 @@ lazy-object-proxy==1.10.0
 lexid==2021.1006
 looseversion==1.3.0
 mccabe==0.7.0
-microsoft-kiota-abstractions==1.6.3
-microsoft-kiota-authentication-azure==1.6.3
-microsoft-kiota-http==1.6.3
-microsoft-kiota-serialization-form==1.6.3
-microsoft-kiota-serialization-json==1.6.3
-microsoft-kiota-serialization-multipart==1.6.3
-microsoft-kiota-serialization-text==1.6.3
+microsoft-kiota-abstractions==1.6.6
+microsoft-kiota-authentication-azure==1.6.6
+microsoft-kiota-http==1.6.6
+microsoft-kiota-serialization-form==1.6.6
+microsoft-kiota-serialization-json==1.6.6
+microsoft-kiota-serialization-multipart==1.6.6
+microsoft-kiota-serialization-text==1.6.6
 msal==1.31.1
 msal-extensions==1.2.0
 msgraph-core==1.1.7