diff --git a/GsaGH/GsaGH.csproj b/GsaGH/GsaGH.csproj
index be8a2a0d5..770bc0a15 100644
--- a/GsaGH/GsaGH.csproj
+++ b/GsaGH/GsaGH.csproj
@@ -10,7 +10,7 @@
     <RepositoryUrl>https://github.com/arup-group/GSA-Grasshopper</RepositoryUrl>
     <PackageReadmeFile>README.md</PackageReadmeFile>
     <PackageIcon>GSALogo128.png</PackageIcon>
-    <Version>1.5.0</Version>
+    <Version>1.5.1</Version>
     <PackageLicenseExpression>MIT</PackageLicenseExpression>
     <AutoGenerateBindingRedirects>false</AutoGenerateBindingRedirects>
     <LangVersion>8.0</LangVersion>
diff --git a/GsaGH/GsaGHInfo.cs b/GsaGH/GsaGHInfo.cs
index 804ae8ae0..ce6a10a74 100644
--- a/GsaGH/GsaGHInfo.cs
+++ b/GsaGH/GsaGHInfo.cs
@@ -50,7 +50,7 @@ internal readonly struct GsaVersionRequired {
     public const string ProductName = "GSA";
     internal const string TermsConditions
       = "Oasys terms and conditions apply. See https://www.oasys-software.com/terms-conditions for details. ";
-    internal const string GrasshopperVersion = "1.5.0";
+    internal const string GrasshopperVersion = "1.5.1";
 
     internal static string disclaimer = $"{PluginName} is pre-release and under active development, "
       + "including further testing to be undertaken. It is provided \"as-is\" and you bear the risk of using it. "