diff --git a/MDFSpritedAnimationView.podspec b/MDFSpritedAnimationView.podspec
index 0e00b0a..93f4a51 100644
--- a/MDFSpritedAnimationView.podspec
+++ b/MDFSpritedAnimationView.podspec
@@ -11,6 +11,5 @@
 
   s.public_header_files = 'src/*.h'
   s.source_files = 'src/*.{h,m}'
-  s.header_mappings_dir = 'src/*'
 
 end
\ No newline at end of file
diff --git a/examples/app/MDFSpritedAnimationViewExample.xcodeproj/project.pbxproj b/examples/app/MDFSpritedAnimationViewExample.xcodeproj/project.pbxproj
index 11dbb02..898f156 100644
--- a/examples/app/MDFSpritedAnimationViewExample.xcodeproj/project.pbxproj
+++ b/examples/app/MDFSpritedAnimationViewExample.xcodeproj/project.pbxproj
@@ -293,7 +293,7 @@
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 			shellPath = /bin/sh;
-			shellScript = "diff \"${PODS_ROOT}/../Podfile.lock\" \"${PODS_ROOT}/Manifest.lock\" > /dev/null\nif [[ $? != 0 ]] ; then\n    cat << EOM\nerror: The sandbox is not in sync with the Podfile.lock. Run 'pod install' or update your CocoaPods installation.\nEOM\n    exit 1\nfi\n";
+			shellScript = "diff \"${PODS_ROOT}/../Podfile.lock\" \"${PODS_ROOT}/Manifest.lock\" > /dev/null\nif [ $? != 0 ] ; then\n    # print error to STDERR\n    echo \"error: The sandbox is not in sync with the Podfile.lock. Run 'pod install' or update your CocoaPods installation.\" >&2\n    exit 1\nfi\n";
 			showEnvVarsInLog = 0;
 		};
 		6FB729D11BCBA37F8593E55E /* [CP] Embed Pods Frameworks */ = {
@@ -338,7 +338,7 @@
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 			shellPath = /bin/sh;
-			shellScript = "diff \"${PODS_ROOT}/../Podfile.lock\" \"${PODS_ROOT}/Manifest.lock\" > /dev/null\nif [[ $? != 0 ]] ; then\n    cat << EOM\nerror: The sandbox is not in sync with the Podfile.lock. Run 'pod install' or update your CocoaPods installation.\nEOM\n    exit 1\nfi\n";
+			shellScript = "diff \"${PODS_ROOT}/../Podfile.lock\" \"${PODS_ROOT}/Manifest.lock\" > /dev/null\nif [ $? != 0 ] ; then\n    # print error to STDERR\n    echo \"error: The sandbox is not in sync with the Podfile.lock. Run 'pod install' or update your CocoaPods installation.\" >&2\n    exit 1\nfi\n";
 			showEnvVarsInLog = 0;
 		};
 /* End PBXShellScriptBuildPhase section */
diff --git a/examples/app/Podfile.lock b/examples/app/Podfile.lock
index bdac9e5..4871557 100644
--- a/examples/app/Podfile.lock
+++ b/examples/app/Podfile.lock
@@ -9,8 +9,8 @@
     :path: "../../"
 
 SPEC CHECKSUMS:
-  MDFSpritedAnimationView: 75dead8462287f526818520af1e377226c3bb671
+  MDFSpritedAnimationView: ab2d4aa5dbb5d05ae1b7e9d2b67b3697c0e0e6ec
 
 PODFILE CHECKSUM: 80195f268febc54d39de014ff5b21653bbb11547
 
-COCOAPODS: 1.0.1
+COCOAPODS: 1.1.1