diff --git a/src/__tests__/input.test.js b/src/__tests__/input.test.js
index 84164b7..ba3ac60 100644
--- a/src/__tests__/input.test.js
+++ b/src/__tests__/input.test.js
@@ -69,7 +69,7 @@ test("invalid keep", () => {
   }).toThrow()
 
   expect(() => {
-    new Input("owner", "repo", ["package"], ".*", 21, "token")
+    new Input("owner", "repo", ["package"], ".*", 101, "token")
   }).toThrow()
 })
 
diff --git a/src/input.js b/src/input.js
index ffaad85..9d0a144 100644
--- a/src/input.js
+++ b/src/input.js
@@ -10,8 +10,8 @@ module.exports = class Input {
       throw new Error("names cannot contain more than 20 items")
     } else if (!versionPattern || versionPattern === "") {
       throw new Error("version-pattern cannot be empty")
-    } else if (!Number.isInteger(Number(keep)) || Number(keep) < 0 || Number(keep) > 20) {
-      throw new Error("keep must be an integer between 0 and 20 (inclusive)")
+    } else if (!Number.isInteger(Number(keep)) || Number(keep) < 0 || Number(keep) > 100) {
+      throw new Error("keep must be an integer between 0 and 100 (inclusive)")
     } else if (!token || token === "") {
       throw new Error("token cannot be empty")
     }