diff --git a/lib/index.js b/lib/index.js
index a7da90ec..44a6af14 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -12576,6 +12576,11 @@ async function run() {
         if (distro === "alpine") {
           // for set -e workaround, we need to install bash because alpine doesn't have it
           await execShellCommand(optionalSudoPrefix + 'apk add openssh-client xz bash');
+        } else if (distro === "arch") {
+          // partial upgrades are not supported so also upgrade everything
+          await execShellCommand(optionalSudoPrefix + 'pacman -Syu --noconfirm xz openssh');
+        } else if (distro === "fedora") {
+          await execShellCommand(optionalSudoPrefix + 'dnf install -y xz openssh');
         } else {
           await execShellCommand(optionalSudoPrefix + 'apt-get update');
           await execShellCommand(optionalSudoPrefix + 'apt-get install -y openssh-client xz-utils');
diff --git a/src/index.js b/src/index.js
index 52f77e79..99773b66 100644
--- a/src/index.js
+++ b/src/index.js
@@ -40,6 +40,11 @@ export async function run() {
         if (distro === "alpine") {
           // for set -e workaround, we need to install bash because alpine doesn't have it
           await execShellCommand(optionalSudoPrefix + 'apk add openssh-client xz bash');
+        } else if (distro === "arch") {
+          // partial upgrades are not supported so also upgrade everything
+          await execShellCommand(optionalSudoPrefix + 'pacman -Syu --noconfirm xz openssh');
+        } else if (distro === "fedora") {
+          await execShellCommand(optionalSudoPrefix + 'dnf install -y xz openssh');
         } else {
           await execShellCommand(optionalSudoPrefix + 'apt-get update');
           await execShellCommand(optionalSudoPrefix + 'apt-get install -y openssh-client xz-utils');