diff --git a/.github/workflows/ze-theia-slim.yaml b/.github/workflows/ze-theia-slim.yaml
index 1e02a7e..bc8fbaa 100644
--- a/.github/workflows/ze-theia-slim.yaml
+++ b/.github/workflows/ze-theia-slim.yaml
@@ -7,9 +7,9 @@ on:
       - .github/workflows/docker-reusable.yaml
   workflow_dispatch:
     inputs:
-      theia-version:
-        description: "Specify Theia version (e.g., 1.37)"
-        default: "latest"
+      docker-tags:
+        description: "Docker tags to build (e.g., 1.37 latest)"
+        default: "next"
         required: false
         type: string
       deploy:
@@ -33,7 +33,7 @@ jobs:
 
       - name: Get Theia version
         id: load-env
-        run: node ze/theia-slim/getTheiaVersion.js ${{ inputs.theia-version || 'next' }}
+        run: node ze/theia-slim/getTheiaVersion.js ${{ inputs.docker-tags }}
 
   build-and-deploy:
     needs: setup
diff --git a/ze/theia-slim/getTheiaVersion.js b/ze/theia-slim/getTheiaVersion.js
index 51b7062..11c2a06 100644
--- a/ze/theia-slim/getTheiaVersion.js
+++ b/ze/theia-slim/getTheiaVersion.js
@@ -26,22 +26,24 @@ async function getTheiaReleases() {
 (async () => {
     const dockerTags = [];
     let theiaVersion;
-    if (process.argv[2] == null || process.argv[2] === "latest") {
-        // "latest" tag (default) = latest community release of Theia
-        const release = (await getTheiaReleases()).find(obj => obj.body.includes("community release"));
-        theiaVersion = "1.49.1"; // release.tag_name.slice(1);
-        dockerTags.push(...expandImageTag("latest"),
-            ...expandImageTag(theiaVersion.slice(0, theiaVersion.lastIndexOf("."))));
-    } else if (process.argv[2] === "next") {
+    if (process.argv[2] == null || process.argv[2] === "next") {
         // "next" tag = latest version of Theia on master branch
         theiaVersion = "latest";
         dockerTags.push(...expandImageTag("next"));
     } else {
-        // "1.XX" tag = older community release of Theia
-        const release = (await getTheiaReleases()).find(obj => obj.body.includes("community release") &&
-            obj.tag_name.startsWith(`v${process.argv[2]}`));
-        theiaVersion = release.tag_name.slice(1);
-        dockerTags.push(...expandImageTag(theiaVersion.slice(0, theiaVersion.lastIndexOf("."))));
+        // "1.XX" and "latest" tag = community releases of Theia
+        for (const tagName of process.argv.slice(2)) {
+            if (tagName === "latest") {
+                dockerTags.push(...expandImageTag("latest"));
+            } else {
+                const release = (await getTheiaReleases()).find(obj => obj.tag_name.startsWith("v" + tagName));
+                theiaVersion = release?.tag_name.slice(1);
+                dockerTags.push(...expandImageTag(tagName));
+            }
+        };
+    }
+    if (theiaVersion == null) {
+        throw new Error("Could not find Theia version that matches these tags: " + process.argv.slice(2).join(" "));
     }
     fs.appendFileSync(outputPath, "DOCKER_TAGS<<EOF\n" + dockerTags.join("\n") + "\nEOF\n");
     fs.appendFileSync(outputPath, `THEIA_VERSION=${theiaVersion}\n`);