diff --git a/package-versions.props b/package-versions.props
index 464c359232..57f55ff647 100644
--- a/package-versions.props
+++ b/package-versions.props
@@ -24,7 +24,7 @@
     <MiniValidationVersion>0.10.*</MiniValidationVersion>
     <NSwagApiClientVersion>14.7.*</NSwagApiClientVersion>
     <NewtonsoftJsonVersion>13.0.*</NewtonsoftJsonVersion>
-    <PolyfillVersion>10.3.*</PolyfillVersion>
+    <PolyfillVersion>10.5.*</PolyfillVersion>
     <ReadableExpressionsVersion>4.1.*</ReadableExpressionsVersion>
     <ScalarAspNetCoreVersion>2.14.*</ScalarAspNetCoreVersion>
     <SwashbuckleVersion>10.*-*</SwashbuckleVersion>