diff --git a/.github/workflows/release-crates-cargo.yml b/.github/workflows/release-crates-cargo.yml
index 8c3cb9a..d83b15a 100644
--- a/.github/workflows/release-crates-cargo.yml
+++ b/.github/workflows/release-crates-cargo.yml
@@ -18,6 +18,10 @@ on:
       unpublished-deps-repos:
         type: string
         required: false
+      installation-test:
+        type: boolean
+        required: true
+        default: true
   workflow_dispatch:
     inputs:
       repo:
@@ -35,6 +39,10 @@ on:
       unpublished-deps-repos:
         type: string
         required: false
+      installation-test:
+        type: boolean
+        required: true
+        default: true
 
 jobs:
   publish:
@@ -49,3 +57,4 @@ jobs:
           unpublished-deps-repos: ${{ inputs.unpublished-deps-repos }}
           github-token: ${{ secrets.BOT_TOKEN_WORKFLOW }}
           crates-io-token: ${{ secrets.CRATES_IO_TOKEN }}
+          installation-test: ${{ inputs.installation-test }}
diff --git a/dist/publish-crates-cargo-main.js b/dist/publish-crates-cargo-main.js
index 65e1c57..3b85401 100644
--- a/dist/publish-crates-cargo-main.js
+++ b/dist/publish-crates-cargo-main.js
@@ -81358,6 +81358,7 @@ function setup() {
     const cratesIoToken = _actions_core__WEBPACK_IMPORTED_MODULE_1__.getInput("crates-io-token", { required: true });
     const unpublishedDepsPatterns = _actions_core__WEBPACK_IMPORTED_MODULE_1__.getInput("unpublished-deps-patterns");
     const unpublishedDepsRepos = _actions_core__WEBPACK_IMPORTED_MODULE_1__.getInput("unpublished-deps-repos");
+    const installationTest = _actions_core__WEBPACK_IMPORTED_MODULE_1__.getBooleanInput("installation-test", { required: true });
     return {
         liveRun,
         branch,
@@ -81366,17 +81367,20 @@ function setup() {
         unpublishedDepsRegExp: unpublishedDepsPatterns === "" ? /^$/ : new RegExp(unpublishedDepsPatterns.split("\n").join("|")),
         unpublishedDepsRepos: unpublishedDepsRepos === "" ? [] : unpublishedDepsRepos.split("\n"),
         cratesIoToken,
+        installationTest,
     };
 }
 async function main(input) {
     let registry = undefined;
     try {
         registry = await _estuary__WEBPACK_IMPORTED_MODULE_2__/* .spawn */ .C();
-        for (const repo of input.unpublishedDepsRepos) {
-            await publishToEstuary(input, repo, registry, input.unpublishedDepsRegExp);
+        if (input.installationTest) {
+            for (const repo of input.unpublishedDepsRepos) {
+                await publishToEstuary(input, repo, registry, input.unpublishedDepsRegExp);
+            }
+            await publishToEstuary(input, input.repo, registry, input.unpublishedDepsRegExp, input.branch);
+            await deleteRepos(input);
         }
-        await publishToEstuary(input, input.repo, registry, input.unpublishedDepsRegExp, input.branch);
-        await deleteRepos(input);
         if (input.liveRun) {
             for (const repo of input.unpublishedDepsRepos) {
                 publishToCratesIo(input, repo);
diff --git a/publish-crates-cargo/action.yml b/publish-crates-cargo/action.yml
index 6582ad9..bd62f5b 100644
--- a/publish-crates-cargo/action.yml
+++ b/publish-crates-cargo/action.yml
@@ -15,6 +15,8 @@ inputs:
     required: false
   unpublished-deps-repos:
     required: false
+  installation-test:
+    required: true
 
 runs:
   using: node20
diff --git a/src/publish-crates-cargo.ts b/src/publish-crates-cargo.ts
index 0738ddd..1ba5987 100644
--- a/src/publish-crates-cargo.ts
+++ b/src/publish-crates-cargo.ts
@@ -14,6 +14,7 @@ export type Input = {
   unpublishedDepsRegExp: RegExp;
   unpublishedDepsRepos: string[];
   cratesIoToken?: string;
+  installationTest: boolean;
 };
 
 export function setup(): Input {
@@ -24,6 +25,7 @@ export function setup(): Input {
   const cratesIoToken = core.getInput("crates-io-token", { required: true });
   const unpublishedDepsPatterns = core.getInput("unpublished-deps-patterns");
   const unpublishedDepsRepos = core.getInput("unpublished-deps-repos");
+  const installationTest = core.getBooleanInput("installation-test", { required: true });
 
   return {
     liveRun,
@@ -34,6 +36,7 @@ export function setup(): Input {
       unpublishedDepsPatterns === "" ? /^$/ : new RegExp(unpublishedDepsPatterns.split("\n").join("|")),
     unpublishedDepsRepos: unpublishedDepsRepos === "" ? [] : unpublishedDepsRepos.split("\n"),
     cratesIoToken,
+    installationTest,
   };
 }
 
@@ -42,13 +45,15 @@ export async function main(input: Input) {
   try {
     registry = await estuary.spawn();
 
-    for (const repo of input.unpublishedDepsRepos) {
-      await publishToEstuary(input, repo, registry, input.unpublishedDepsRegExp);
-    }
+    if (input.installationTest) {
+      for (const repo of input.unpublishedDepsRepos) {
+        await publishToEstuary(input, repo, registry, input.unpublishedDepsRegExp);
+      }
 
-    await publishToEstuary(input, input.repo, registry, input.unpublishedDepsRegExp, input.branch);
+      await publishToEstuary(input, input.repo, registry, input.unpublishedDepsRegExp, input.branch);
 
-    await deleteRepos(input);
+      await deleteRepos(input);
+    }
 
     if (input.liveRun) {
       for (const repo of input.unpublishedDepsRepos) {