diff --git a/src/main.ts b/src/main.ts
index a261728a..6df94a79 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -11,7 +11,7 @@ const architecture_aarch64 = 'aarch64'
 
 const architecture = getArchitecture()
 
-const csDefaultVersion = '2.1.25-M26'
+const csDefaultVersion = '2.1.26'
 const csVersion = core.getInput('version') || csDefaultVersion
 
 const coursierVersionSpec = csVersion