diff --git a/apps/api-extractor/src/analyzer/TypeScriptInternals.ts b/apps/api-extractor/src/analyzer/TypeScriptInternals.ts
index 63d4642446..4c35cc1ded 100644
--- a/apps/api-extractor/src/analyzer/TypeScriptInternals.ts
+++ b/apps/api-extractor/src/analyzer/TypeScriptInternals.ts
@@ -108,10 +108,13 @@ export class TypeScriptInternals {
 
   public static getGlobalVariableAnalyzer(program: ts.Program): IGlobalVariableAnalyzer {
     const anyProgram: any = program;
-    if (!anyProgram.getDiagnosticsProducingTypeChecker) {
-      throw new InternalError('Missing Program.getDiagnosticsProducingTypeChecker');
+    const typeCheckerInstance: any =
+      anyProgram.getDiagnosticsProducingTypeChecker ?? anyProgram.getTypeChecker;
+
+    if (!typeCheckerInstance) {
+      throw new InternalError('Missing Program.getDiagnosticsProducingTypeChecker or Program.getTypeChecker');
     }
-    const typeChecker: any = anyProgram.getDiagnosticsProducingTypeChecker();
+    const typeChecker: any = typeCheckerInstance();
     if (!typeChecker.getEmitResolver) {
       throw new InternalError('Missing TypeChecker.getEmitResolver');
     }
diff --git a/common/changes/@microsoft/api-extractor/users-chhol-update-api-for-getDiagnosticsProducingTypeChecker_2022-05-04-21-31.json b/common/changes/@microsoft/api-extractor/users-chhol-update-api-for-getDiagnosticsProducingTypeChecker_2022-05-04-21-31.json
new file mode 100644
index 0000000000..701f4b2b93
--- /dev/null
+++ b/common/changes/@microsoft/api-extractor/users-chhol-update-api-for-getDiagnosticsProducingTypeChecker_2022-05-04-21-31.json
@@ -0,0 +1,10 @@
+{
+  "changes": [
+    {
+      "packageName": "@microsoft/api-extractor",
+      "comment": "update getGlobalVariableAnalyzer to support changes to typescript internals in v4.7",
+      "type": "patch"
+    }
+  ],
+  "packageName": "@microsoft/api-extractor"
+}
\ No newline at end of file