diff --git a/build_pod.sh b/build_pod.sh
index 379b9c6..ed0e0d9 100755
--- a/build_pod.sh
+++ b/build_pod.sh
@@ -49,7 +49,7 @@ do
   fi
 done
 
-"$BASEDIR/run_build_tool.sh" build-pod "$@"
+sh "$BASEDIR/run_build_tool.sh" build-pod "$@"
 
 # Make a symlink from built framework to phony file, which will be used as input to
 # build script. This should force rebuild (podspec currently doesn't support alwaysOutOfDate
diff --git a/cmake/cargokit.cmake b/cmake/cargokit.cmake
index 8832600..ddd05df 100644
--- a/cmake/cargokit.cmake
+++ b/cmake/cargokit.cmake
@@ -50,6 +50,7 @@ function(apply_cargokit target manifest_dir lib_name any_symbol_name)
     else()
         set(SCRIPT_EXTENSION ".sh")
         set(IMPORT_LIB_EXTENSION "")
+        execute_process(COMMAND chmod +x "${cargokit_cmake_root}/run_build_tool${SCRIPT_EXTENSION}")
     endif()
 
     # Using generators in custom command is only supported in CMake 3.20+
@@ -75,6 +76,7 @@ function(apply_cargokit target manifest_dir lib_name any_symbol_name)
         )
     endif()
 
+
     set_source_files_properties("${CMAKE_CURRENT_BINARY_DIR}/_phony_" PROPERTIES SYMBOLIC TRUE)
 
     if (TARGET ${target})
@@ -94,4 +96,4 @@ function(apply_cargokit target manifest_dir lib_name any_symbol_name)
     # Allow adding the output library to plugin bundled libraries
     set("${target}_cargokit_lib" ${OUTPUT_LIB} PARENT_SCOPE)
 
-endfunction()
\ No newline at end of file
+endfunction()
diff --git a/gradle/plugin.gradle b/gradle/plugin.gradle
index a9a6ec7..12c49f1 100644
--- a/gradle/plugin.gradle
+++ b/gradle/plugin.gradle
@@ -55,7 +55,13 @@ abstract class CargoKitBuildTask extends DefaultTask {
         def manifestDir = Paths.get(project.buildscript.sourceFile.parent, project.cargokit.manifestDir)
 
         def rootProjectDir = project.rootProject.projectDir
-
+        
+        if (!Os.isFamily(Os.FAMILY_WINDOWS)) {
+            project.exec {
+                commandLine 'chmod', '+x', path
+            }
+        }
+        
         project.exec {
             executable path
             args "build-gradle"