diff --git a/Package.resolved b/Package.resolved
index b2ac9da7b..7fb4c5987 100644
--- a/Package.resolved
+++ b/Package.resolved
@@ -23,8 +23,8 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/apple/swift-crypto.git",
       "state" : {
-        "revision" : "8fa345c2081cfbd4851dffff5dd5bed48efe6081",
-        "version" : "3.9.0"
+        "revision" : "06dc63c6d8da54ee11ceb268cde1fa68161afc96",
+        "version" : "3.9.1"
       }
     },
     {