diff --git a/dotnet/dotnet-sdk-8/Portfile b/dotnet/dotnet-sdk-8/Portfile
index 16cf7650e81..feafee48125 100644
--- a/dotnet/dotnet-sdk-8/Portfile
+++ b/dotnet/dotnet-sdk-8/Portfile
@@ -3,7 +3,7 @@
 PortSystem          1.0
 
 name                dotnet-sdk-8
-version             8.0.421
+version             8.0.422
 revision            0
 categories          dotnet devel
 license             MIT
@@ -26,16 +26,16 @@ switch ${build_arch} {
     x86_64 {
         set dotnet_rid osx-x64
         distname            dotnet-sdk-${version}-osx-x64
-        checksums           rmd160  a916fdeffcb9aa4cc06f26d55d20e6f5bf8d03fb \
-                            sha256  14f7122ad9638cea91dfe30a95c577731bbebae3334bfe33a23f9b229e706ecc \
-                            size    214960088
+        checksums           rmd160  40b5064dc1676ae29655beb959c4783d40440bf2 \
+                            sha256  716ee82df91f3277fe289636e90b0c5da454f8e1cf40f25eeed9d4c0b4e7d06e \
+                            size    214985499
     }
     arm64 {
         set dotnet_rid osx-arm64
         distname            dotnet-sdk-${version}-osx-arm64
-        checksums           rmd160  4a41ca2c75833405b2b054e51e4ef74997bc17b3 \
-                            sha256  d5c77d53877162f8b769907731f4f4478ea2e3201bb8f0a0ddea72df6fea4eb9 \
-                            size    209833600
+        checksums           rmd160  4c3804a70008b1be005d147140c80cefbd04726c \
+                            sha256  a005e428dc002c08f6fe1848fd7bbb46014498528806904a7e7ce764387c56a6 \
+                            size    209823818
     }
     default {
         known_fail yes
@@ -61,7 +61,7 @@ build {}
 
 destroot {
     set dotnet_home ${prefix}/share/dotnet
-    set dotnet_runtime_version 8.0.27
+    set dotnet_runtime_version 8.0.28
 
     # ASP.NET Core Targeting Pack
     set aspnet_target_dir /packs/Microsoft.AspNetCore.App.Ref