diff --git a/Directory.Packages.props b/Directory.Packages.props
index 04a2e09..416fd24 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -6,9 +6,9 @@
     <!-- Test packages: CodeCoverage and TrxReport versions are supplied by MSTest.Sdk;
          do not pin them here or CPM reports duplicate PackageVersion items (NU1506). -->
     <!-- Semantics runtime packages -->
-    <PackageVersion Include="ktsu.PreciseNumber" Version="1.7.19" />
-    <PackageVersion Include="ktsu.RoundTripStringJsonConverter" Version="1.0.21" />
-    <PackageVersion Include="Polyfill" Version="10.11.2" />
+    <PackageVersion Include="ktsu.PreciseNumber" Version="1.7.20" />
+    <PackageVersion Include="ktsu.RoundTripStringJsonConverter" Version="1.0.22" />
+    <PackageVersion Include="Polyfill" Version="11.0.1" />
     <PackageVersion Include="Microsoft.Bcl.AsyncInterfaces" Version="10.0.10" />
     <PackageVersion Include="System.Memory" Version="4.6.3" />
     <PackageVersion Include="System.Numerics.Vectors" Version="4.6.1" />