diff --git a/dotnet8/Makefile b/dotnet8/Makefile
index c44d48b4..f16cc1a0 100644
--- a/dotnet8/Makefile
+++ b/dotnet8/Makefile
@@ -8,7 +8,7 @@ all: dotnet8-env-img dotnet8-builder-img
 
 dotnet8-env-img: Dockerfile
 	@echo === Building image $(REPO)/dotnet8-env:$(TAG) using context $(CURDIR) and dockerfile $<
-	docker build --platform=$(PLATFORMS) -t $(REPO)/dotnet8-env:$(TAG) -f $< .
+	docker buildx build --platform=$(PLATFORMS) -t $(REPO)/dotnet8-env:$(TAG) $(DOCKER_FLAGS) -f $< .
 
 dotnet8-builder-img: builder/Dockerfile
 	@echo === Building image $(REPO)/dotnet8-builder:$(TAG) using context $(CURDIR) and dockerfile $<
diff --git a/dotnet8/envconfig.json b/dotnet8/envconfig.json
index f140d5b9..08ee8c49 100644
--- a/dotnet8/envconfig.json
+++ b/dotnet8/envconfig.json
@@ -17,6 +17,6 @@
     "runtimeVersion": "8.0.0",
     "shortDescription": "Fission Dotnet 8.0.0 runtime uses Kestrel to host the internal web server. Supports both single file compilation (--code) and project-based compilation (--src).",
     "status": "Stable",
-    "version": "1.2.0"
+    "version": "1.3.0"
   }
 ]