diff --git a/GoogleSignIn/Sources/GIDAppCheck/Implementations/Fake/GIDAppCheckProviderFake.h b/GoogleSignIn/Sources/GIDAppCheck/Implementations/Fake/GIDAppCheckProviderFake.h
index e294273f..7d7e3061 100644
--- a/GoogleSignIn/Sources/GIDAppCheck/Implementations/Fake/GIDAppCheckProviderFake.h
+++ b/GoogleSignIn/Sources/GIDAppCheck/Implementations/Fake/GIDAppCheckProviderFake.h
@@ -15,7 +15,7 @@
 #import <TargetConditionals.h>
 #import <Foundation/Foundation.h>
 
-#if TARGET_OS_IOS && !TARGET_OS_MACCATALYST
+#if (TARGET_OS_IOS && !TARGET_OS_MACCATALYST) || TARGET_OS_OSX
 #import <AppCheckCore/GACAppCheckProvider.h>
 
 @class GACAppCheckToken;
diff --git a/GoogleSignIn/Sources/GIDAppCheck/Implementations/Fake/GIDAppCheckProviderFake.m b/GoogleSignIn/Sources/GIDAppCheck/Implementations/Fake/GIDAppCheckProviderFake.m
index 903fc3ff..95072cba 100644
--- a/GoogleSignIn/Sources/GIDAppCheck/Implementations/Fake/GIDAppCheckProviderFake.m
+++ b/GoogleSignIn/Sources/GIDAppCheck/Implementations/Fake/GIDAppCheckProviderFake.m
@@ -14,7 +14,7 @@
 
 #import "GoogleSignIn/Sources/GIDAppCheck/Implementations/Fake/GIDAppCheckProviderFake.h"
 
-#if TARGET_OS_IOS && !TARGET_OS_MACCATALYST
+#if (TARGET_OS_IOS && !TARGET_OS_MACCATALYST) || TARGET_OS_OSX
 
 #import <AppCheckCore/GACAppCheckToken.h>
 
diff --git a/GoogleSignIn/Sources/GIDAppCheck/Implementations/GIDAppCheck.h b/GoogleSignIn/Sources/GIDAppCheck/Implementations/GIDAppCheck.h
index 6b7d1d92..1df8e849 100644
--- a/GoogleSignIn/Sources/GIDAppCheck/Implementations/GIDAppCheck.h
+++ b/GoogleSignIn/Sources/GIDAppCheck/Implementations/GIDAppCheck.h
@@ -16,7 +16,7 @@
 
 #import <TargetConditionals.h>
 
-#if TARGET_OS_IOS && !TARGET_OS_MACCATALYST
+#if (TARGET_OS_IOS && !TARGET_OS_MACCATALYST) || TARGET_OS_OSX
 
 #import <Foundation/Foundation.h>
 
diff --git a/GoogleSignIn/Sources/GIDAppCheck/Implementations/GIDAppCheck.m b/GoogleSignIn/Sources/GIDAppCheck/Implementations/GIDAppCheck.m
index a886eec4..f19c05d9 100644
--- a/GoogleSignIn/Sources/GIDAppCheck/Implementations/GIDAppCheck.m
+++ b/GoogleSignIn/Sources/GIDAppCheck/Implementations/GIDAppCheck.m
@@ -16,7 +16,7 @@
 
 #import "GoogleSignIn/Sources/GIDAppCheck/Implementations/GIDAppCheck.h"
 
-#if TARGET_OS_IOS && !TARGET_OS_MACCATALYST
+#if (TARGET_OS_IOS && !TARGET_OS_MACCATALYST) || TARGET_OS_OSX
 
 #import <AppCheckCore/GACAppCheck.h>
 #import <AppCheckCore/GACAppCheckSettings.h>
diff --git a/GoogleSignIn/Sources/Public/GoogleSignIn/GIDAppCheckError.h b/GoogleSignIn/Sources/Public/GoogleSignIn/GIDAppCheckError.h
index cd443e40..d25b5fc6 100644
--- a/GoogleSignIn/Sources/Public/GoogleSignIn/GIDAppCheckError.h
+++ b/GoogleSignIn/Sources/Public/GoogleSignIn/GIDAppCheckError.h
@@ -16,7 +16,7 @@
 
 #import <TargetConditionals.h>
 
-#if TARGET_OS_IOS && !TARGET_OS_MACCATALYST
+#if (TARGET_OS_IOS && !TARGET_OS_MACCATALYST) || TARGET_OS_OSX
 
 #import <Foundation/Foundation.h>
 
diff --git a/GoogleSignIn/Tests/Unit/GIDAppCheckTest.m b/GoogleSignIn/Tests/Unit/GIDAppCheckTest.m
index 7c0610ae..f7ca4097 100644
--- a/GoogleSignIn/Tests/Unit/GIDAppCheckTest.m
+++ b/GoogleSignIn/Tests/Unit/GIDAppCheckTest.m
@@ -14,7 +14,7 @@
 
 #import <TargetConditionals.h>
 
-#if TARGET_OS_IOS && !TARGET_OS_MACCATALYST
+#if (TARGET_OS_IOS && !TARGET_OS_MACCATALYST) || TARGET_OS_OSX
 
 #import <XCTest/XCTest.h>
 #import <AppCheckCore/GACAppCheckToken.h>