diff --git a/.changeset/plenty-mirrors-laugh.md b/.changeset/plenty-mirrors-laugh.md
new file mode 100644
index 0000000000..f46e3b5937
--- /dev/null
+++ b/.changeset/plenty-mirrors-laugh.md
@@ -0,0 +1,5 @@
+---
+'@backstage/plugin-auth-backend-module-microsoft-provider': patch
+---
+
+Minor internal type updates
diff --git a/plugins/auth-backend-module-microsoft-provider/src/strategy.ts b/plugins/auth-backend-module-microsoft-provider/src/strategy.ts
index cf2ff73965..d5a1aa31fe 100644
--- a/plugins/auth-backend-module-microsoft-provider/src/strategy.ts
+++ b/plugins/auth-backend-module-microsoft-provider/src/strategy.ts
@@ -22,7 +22,7 @@ import { Strategy as MicrosoftStrategy } from 'passport-microsoft';
 export class ExtendedMicrosoftStrategy extends MicrosoftStrategy {
   userProfile(
     accessToken: string,
-    done: (err?: Error | null, profile?: PassportProfile) => void,
+    done: (err?: unknown, profile?: PassportProfile) => void,
   ): void {
     if (this.skipUserProfile(accessToken)) {
       done(null, undefined);
@@ -31,7 +31,7 @@ export class ExtendedMicrosoftStrategy extends MicrosoftStrategy {
 
     super.userProfile(
       accessToken,
-      (err?: Error | null, profile?: PassportProfile) => {
+      (err?: unknown, profile?: PassportProfile) => {
         if (!profile || profile.photos) {
           done(err, profile);
           return;