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;
diff --git a/yarn.lock b/yarn.lock
index 7717ce930a..04817e8a34 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -18242,13 +18242,13 @@ __metadata:
   linkType: hard
 
 "@types/passport-oauth2@npm:*, @types/passport-oauth2@npm:^1.4.11, @types/passport-oauth2@npm:^1.4.15":
-  version: 1.4.16
-  resolution: "@types/passport-oauth2@npm:1.4.16"
+  version: 1.4.17
+  resolution: "@types/passport-oauth2@npm:1.4.17"
   dependencies:
     "@types/express": "*"
     "@types/oauth": "*"
     "@types/passport": "*"
-  checksum: a590d3fcdf93dbe4498c636de139dc22a723bbf12a7f248f432085a47ec1b76b2e1201336ee26cd65c400d7ce6fb30ae0b151f40067267942c8a5b3c708cc23d
+  checksum: 4c5d2d6f717bb0b3d049669e47ca27cb166cbbef2073dccd302b10e62936c9e392074acabe6cb593f7eeb37a6a3cf81b9d3a4f35a46018a6645ac37d0f1706cb
   languageName: node
   linkType: hard