diff --git a/lib/setup-julia.js b/lib/setup-julia.js
index 9863b10..430baae 100644
--- a/lib/setup-julia.js
+++ b/lib/setup-julia.js
@@ -58,12 +58,14 @@ function getJuliaVersion(versionInput) {
             // versionInput is a valid version, use it directly
             return versionInput;
         }
-        // use the highest available version that matches versionInput
+        // Use the highest available version that matches versionInput
         const releases = yield getJuliaReleases();
-        const version = semver.maxSatisfying(releases, versionInput);
+        let version = semver.maxSatisfying(releases, versionInput);
         if (version == null) {
             throw `Could not find a Julia version that matches ${versionInput}`;
         }
+        // GitHub tags start with v, remove it
+        version = version.replace(/^v/, '');
         return version;
     });
 }
diff --git a/src/setup-julia.ts b/src/setup-julia.ts
index a098030..404add3 100644
--- a/src/setup-julia.ts
+++ b/src/setup-julia.ts
@@ -47,13 +47,16 @@ async function getJuliaVersion(versionInput: string): Promise<string> {
         return versionInput
     }
 
-    // use the highest available version that matches versionInput
+    // Use the highest available version that matches versionInput
     const releases = await getJuliaReleases()
-    const version = semver.maxSatisfying(releases, versionInput)
+    let version = semver.maxSatisfying(releases, versionInput)
     if (version == null) {
         throw `Could not find a Julia version that matches ${versionInput}`
     }
 
+    // GitHub tags start with v, remove it
+    version = version.replace(/^v/, '')
+
     return version
 }