diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 2082805a5..41ef3fc81 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -74,7 +74,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        platform: [linux/amd64, linux/arm64]
+        platform: [linux/amd64, linux/arm64, linux/s390x]
         helmVersion: ${{ fromJson(needs.determine-versions.outputs.HELM_VERSIONS) }}
         pluginVersion: ${{ fromJson(needs.determine-versions.outputs.HELM_PLUGIN_VERSIONS) }}
     steps:
diff --git a/CHANGELOG.md b/CHANGELOG.md
index bea4d42b6..d332a72d1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,9 @@
 - Fix assertion does not match when using camelcase function (resolves #359)
 - Fix templating multi document Helm file with trims break YAML parsing (resolves #403)
 - Fix lookup of resources defined in kubernetesProvider without any objects (resolves #380)
+- Improvement support for linux x390x
+- Update packages to latest patch versions
+- Update documentation
 
 0.6.1 / 2024-09-01
 ==================
diff --git a/Makefile b/Makefile
index 06dd4c08a..e16bdb0d7 100644
--- a/Makefile
+++ b/Makefile
@@ -61,6 +61,8 @@ build: unittest ## Compile packages and dependencies
 .PHONY: dist
 dist:
 	mkdir -p $(DIST)
+	CGO_ENABLED=0 GOOS=linux GOARCH=s390x go build -o untt -ldflags $(LDFLAGS) ./cmd/helm-unittest
+	tar -zcvf $(DIST)/helm-unittest-linux-s390x-$(VERSION).tgz untt README.md LICENSE plugin.yaml	
 	CGO_ENABLED=0 GOOS=linux GOARCH=arm64 go build -o untt -ldflags $(LDFLAGS) ./cmd/helm-unittest
 	tar -zcvf $(DIST)/helm-unittest-linux-arm64-$(VERSION).tgz untt README.md LICENSE plugin.yaml
 	CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -o untt -ldflags $(LDFLAGS) ./cmd/helm-unittest
@@ -71,7 +73,6 @@ dist:
 	tar -zcvf $(DIST)/helm-unittest-macos-arm64-$(VERSION).tgz untt README.md LICENSE plugin.yaml
 	CGO_ENABLED=0 GOOS=windows GOARCH=amd64 go build -o untt.exe -ldflags $(LDFLAGS) ./cmd/helm-unittest
 	tar -zcvf $(DIST)/helm-unittest-windows-amd64-$(VERSION).tgz untt.exe README.md LICENSE plugin.yaml
-	shasum -a 256 -b $(DIST)/* > $(DIST)/helm-unittest-checksum.sha
 	tar -zcvf $(DIST)/helm-unittest-windows_nt-amd64-$(VERSION).tgz untt.exe README.md LICENSE plugin.yaml
 	shasum -a 256 -b $(DIST)/* > $(DIST)/helm-unittest-checksum.sha
 
diff --git a/install-binary.sh b/install-binary.sh
index a3691d730..22e7a3e34 100755
--- a/install-binary.sh
+++ b/install-binary.sh
@@ -61,7 +61,7 @@ initOS() {
 # verifySupported checks that the os/arch combination is supported for
 # binary builds.
 verifySupported() {
-  local supported="linux-arm64\nlinux-amd64\nmacos-amd64\nwindows-amd64\nwindows_nt-amd64\nmacos-arm64"
+  local supported="linux-amd64\nlinux-arm64\nlinux-s390x\nmacos-amd64\nmacos-arm64\nwindows-amd64\nwindows_nt-amd64"
   if ! echo "$supported" | grep -q "$OS-$ARCH"; then
     echo "No prebuild binary for $OS-$ARCH."
     exit 1