diff --git a/xcodeproj/internal/bazel_integration_files/copy_dsyms.sh b/xcodeproj/internal/bazel_integration_files/copy_dsyms.sh
index bae55b36f..ea589c0eb 100644
--- a/xcodeproj/internal/bazel_integration_files/copy_dsyms.sh
+++ b/xcodeproj/internal/bazel_integration_files/copy_dsyms.sh
@@ -3,9 +3,14 @@
 set -euo pipefail
 
 function patch_dsym() {
-  readonly dsym_name="$1"
-  readonly binary_name="${dsym_name%%.*}"
-  readonly binary_path="${dsym_name}/Contents/Resources/DWARF/${binary_name}"
+  local dsym_name="$1"
+
+  shopt -s extglob
+  local binary_name="${dsym_name%.dSYM}"
+  binary_name="${binary_name%@(.app|.appex|.bundle|.dext|.kext|.framework|.pluginkit|.systemextension|.xctest|.xpc)}"
+  shopt +s extglob
+
+  local binary_path="${dsym_name}/Contents/Resources/DWARF/${binary_name}"
 
   if [[ ! -f "$binary_path" ]]; then
     echo "dSYM DWARF ${binary_path} does not exist." \
@@ -13,8 +18,8 @@ function patch_dsym() {
     return 1
   fi
 
+  local dwarf_uuid
   dwarf_uuid=$(dwarfdump --uuid "${binary_path}" | cut -d ' ' -f 2)
-  readonly dwarf_uuid
   if [[ -z "${dwarf_uuid// /}" ]]; then
     echo "Failed to get dSYM uuid." \
     "Skip dSYM patch."
@@ -44,6 +49,14 @@ EOF
 if [[ -n "${BAZEL_OUTPUTS_DSYM:-}" ]]; then
   cd "${BAZEL_OUT%/*}"
 
+  if [[ $(sw_vers -productVersion | cut -d '.' -f 1-2) == "15.4" ]]; then
+    # 15.4's `rsync` has a bug that requires the src to have write permissions.
+    # We normally shouldn't do this as it modifies the bazel output base, so we
+    # limit this to only macOS 15.4.
+    # shellcheck disable=SC2046
+    chmod -R +w $(xargs -n1 <<< "$BAZEL_OUTPUTS_DSYM")
+  fi
+
   # shellcheck disable=SC2046
   rsync \
     --copy-links \
diff --git a/xcodeproj/internal/bazel_integration_files/copy_outputs.sh b/xcodeproj/internal/bazel_integration_files/copy_outputs.sh
index e847cf0e2..1603b6f9a 100755
--- a/xcodeproj/internal/bazel_integration_files/copy_outputs.sh
+++ b/xcodeproj/internal/bazel_integration_files/copy_outputs.sh
@@ -30,6 +30,13 @@ if [[ "$ACTION" != indexbuild ]]; then
       # rpaths to work
       ln -sfh "$PWD/$BAZEL_OUTPUTS_PRODUCT_BASENAME" "$TARGET_BUILD_DIR/$PRODUCT_NAME"
     else
+      if [[ $(sw_vers -productVersion | cut -d '.' -f 1-2) == "15.4" ]]; then
+        # 15.4's `rsync` has a bug that requires the src to have write
+        # permissions. We normally shouldn't do this as it modifies the bazel
+        # output base, so we limit this to only macOS 15.4.
+        chmod -R +w "$BAZEL_OUTPUTS_PRODUCT_BASENAME"
+      fi
+
       # Product is a bundle
       rsync \
         --copy-links \
diff --git a/xcodeproj/internal/templates/incremental_installer.sh b/xcodeproj/internal/templates/incremental_installer.sh
index 2746d7d28..64f30ccb1 100644
--- a/xcodeproj/internal/templates/incremental_installer.sh
+++ b/xcodeproj/internal/templates/incremental_installer.sh
@@ -74,6 +74,13 @@ dest_dir="$(dirname "${dest}")"
 # Copy over `xcschemes`
 readonly dest_xcschemes="$dest/xcshareddata/xcschemes"
 
+if [[ $(sw_vers -productVersion | cut -d '.' -f 1-2) == "15.4" ]]; then
+  # 15.4's `rsync` has a bug that requires the src to have write permissions.
+  # We normally shouldn't do this as it modifies the bazel output base, so we
+  # limit this to only macOS 15.4.
+  chmod -R +w "$src_xcschemes"
+fi
+
 mkdir -p "$dest_xcschemes"
 rsync \
   --archive \
diff --git a/xcodeproj/internal/templates/legacy_installer.sh b/xcodeproj/internal/templates/legacy_installer.sh
index fd2f96d0f..01bd05a5f 100644
--- a/xcodeproj/internal/templates/legacy_installer.sh
+++ b/xcodeproj/internal/templates/legacy_installer.sh
@@ -136,6 +136,13 @@ fi
 
 # Sync over the project, changing the permissions to be writable
 
+if [[ $(sw_vers -productVersion | cut -d '.' -f 1-2) == "15.4" ]]; then
+  # 15.4's `rsync` has a bug that requires the src to have write permissions.
+  # We normally shouldn't do this as it modifies the bazel output base, so we
+  # limit this to only macOS 15.4.
+  chmod -R +w "$src"
+fi
+
 # Don't touch project.xcworkspace as that will make Xcode prompt
 rsync \
   --archive \