diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..03a962f
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,6 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
diff --git a/package.json b/package.json
index ee38c18..192bdf4 100644
--- a/package.json
+++ b/package.json
@@ -14,7 +14,7 @@
     "linting",
     "code quality"
   ],
-  "version": "1.0.12",
+  "version": "1.1.0",
   "main": "lib/index.js",
   "scripts": {
     "prepack": "npmignore --auto --commentLines=autogenerated && npm run build",
diff --git a/src/rules/jsx-explicit-boolean.test.tsx b/src/rules/jsx-explicit-boolean.test.tsx
index 652a795..53ed2d7 100644
--- a/src/rules/jsx-explicit-boolean.test.tsx
+++ b/src/rules/jsx-explicit-boolean.test.tsx
@@ -31,6 +31,7 @@ ruleTester.run("jsx-explicit-boolean", require("./jsx-explicit-boolean"), {
 
     // Rest
     { code: "const a = true; a && <div />;" },
+    { code: "const a = true; const b = a; b && <div />;" },
     { code: "const a = false; a && <div />;" },
     { code: "const a = true; Boolean(a) && <div />;" },
     { code: "const a = false; Boolean(a) && <div />;" },
@@ -143,5 +144,10 @@ ruleTester.run("jsx-explicit-boolean", require("./jsx-explicit-boolean"), {
       output:
         "const a = 1; const b = '0'; const c = 0; <View>{Boolean(a && !!b && !!c) && <Text />}</View>;",
     },
+    {
+      code: "const a = undefined; a && <div />;",
+      errors: [{ messageId: "booleanConversion" }],
+      output: "const a = undefined; Boolean(a) && <div />;",
+    },
   ],
 });
diff --git a/src/rules/jsx-explicit-boolean.ts b/src/rules/jsx-explicit-boolean.ts
index f1147cc..033f7d5 100644
--- a/src/rules/jsx-explicit-boolean.ts
+++ b/src/rules/jsx-explicit-boolean.ts
@@ -52,7 +52,7 @@ function checkBooleanValidity(node, context) {
           return variable.defs.some(
             (def) =>
               def.type === "Variable" &&
-              typeof def.node.init?.value === "boolean"
+              checkBooleanValidity(def.node.init, context)
           );
         }
         scope = scope.upper;