diff --git a/libraries/botbuilder-core/requirements.txt b/libraries/botbuilder-core/requirements.txt
index 6ce30f68f..4b9aabc5a 100644
--- a/libraries/botbuilder-core/requirements.txt
+++ b/libraries/botbuilder-core/requirements.txt
@@ -4,5 +4,5 @@ botbuilder-schema==4.17.0
 botframework-streaming==4.17.0
 requests==2.32.0
 PyJWT==2.4.0
-cryptography==42.0.4
+cryptography==43.0.1
 aiounittest==1.3.0
\ No newline at end of file
diff --git a/libraries/botbuilder-dialogs/requirements.txt b/libraries/botbuilder-dialogs/requirements.txt
index 920200124..d8f2cb4f2 100644
--- a/libraries/botbuilder-dialogs/requirements.txt
+++ b/libraries/botbuilder-dialogs/requirements.txt
@@ -4,5 +4,5 @@ botbuilder-schema==4.17.0
 botbuilder-core==4.17.0
 requests==2.32.0
 PyJWT==2.4.0
-cryptography==42.0.4
+cryptography==43.0.1
 aiounittest==1.3.0
diff --git a/libraries/botframework-connector/requirements.txt b/libraries/botframework-connector/requirements.txt
index 0632606a7..5a6d8d4e9 100644
--- a/libraries/botframework-connector/requirements.txt
+++ b/libraries/botframework-connector/requirements.txt
@@ -2,5 +2,5 @@ msrest==0.7.*
 botbuilder-schema==4.17.0
 requests==2.32.0
 PyJWT==2.4.0
-cryptography==42.0.4
+cryptography==43.0.1
 msal>=1.29.0