diff --git a/src/nerdbank-streams/yarn.lock b/src/nerdbank-streams/yarn.lock
index e678e7b3..5cf1c188 100644
--- a/src/nerdbank-streams/yarn.lock
+++ b/src/nerdbank-streams/yarn.lock
@@ -4460,9 +4460,9 @@ prettier-linter-helpers@^1.0.0:
     fast-diff "^1.1.2"
 
 prettier@^3.0.0:
-  version "3.0.3"
-  resolved "https://registry.yarnpkg.com/prettier/-/prettier-3.0.3.tgz#432a51f7ba422d1469096c0fdc28e235db8f9643"
-  integrity sha512-L/4pUDMxcNa8R/EthV08Zt42WBO4h1rarVtK0K+QJG0X187OLo7l699jWw0GKuwzkPQ//jMFA/8Xm6Fh3J/DAg==
+  version "3.4.2"
+  resolved "https://registry.yarnpkg.com/prettier/-/prettier-3.4.2.tgz#a5ce1fb522a588bf2b78ca44c6e6fe5aa5a2b13f"
+  integrity sha512-e9MewbtFo+Fevyuxn/4rrcDAaq0IYxPGLvObpQjiZBMAzB9IGmzlnG9RZy3FFas+eBMu2vA0CszMeduow5dIuQ==
 
 pretty-format@^29.0.0, pretty-format@^29.7.0:
   version "29.7.0"