diff --git a/.changeset/ten-mangos-cover.md b/.changeset/ten-mangos-cover.md
new file mode 100644
index 00000000..367aacf4
--- /dev/null
+++ b/.changeset/ten-mangos-cover.md
@@ -0,0 +1,6 @@
+---
+"@repo/sandbox-container": patch
+"@cloudflare/sandbox": patch
+---
+
+fix: preserve newlines in heredoc commands for exec()
diff --git a/.github/workflows/pkg-pr-new.yml b/.github/workflows/pkg-pr-new.yml
index 96747b84..4cb06c72 100644
--- a/.github/workflows/pkg-pr-new.yml
+++ b/.github/workflows/pkg-pr-new.yml
@@ -7,9 +7,9 @@ permissions:
 on:
   pull_request:
     types: [opened, synchronize, reopened]
-    paths:
-      - '!**/*.md'
-      - '!.changeset/**'
+    #paths:
+    #  - '!**/*.md'
+    #  - '!.changeset/**'
 
 
 jobs:
diff --git a/packages/sandbox-container/src/session.ts b/packages/sandbox-container/src/session.ts
index c6e588b2..5c6d8123 100644
--- a/packages/sandbox-container/src/session.ts
+++ b/packages/sandbox-container/src/session.ts
@@ -698,7 +698,9 @@ export class Session {
         script += `  PREV_DIR=$(pwd)\n`;
         script += `  if cd ${safeCwd}; then\n`;
         script += `    # Execute command with prefixed streaming via process substitution\n`;
-        script += `    { ${command}; } > >(while IFS= read -r line || [[ -n "$line" ]]; do printf '\\x01\\x01\\x01%s\\n' "$line"; done >> "$log") 2> >(while IFS= read -r line || [[ -n "$line" ]]; do printf '\\x02\\x02\\x02%s\\n' "$line"; done >> "$log")\n`;
+        script += `    {\n`;
+        script += `${command}\n`;
+        script += `    } > >(while IFS= read -r line || [[ -n "$line" ]]; do printf '\\x01\\x01\\x01%s\\n' "$line"; done >> "$log") 2> >(while IFS= read -r line || [[ -n "$line" ]]; do printf '\\x02\\x02\\x02%s\\n' "$line"; done >> "$log")\n`;
         script += `    EXIT_CODE=$?\n`;
         script += `    # Restore directory\n`;
         script += `    cd "$PREV_DIR"\n`;
@@ -708,7 +710,9 @@ export class Session {
         script += `  fi\n`;
       } else {
         script += `  # Execute command with prefixed streaming via process substitution\n`;
-        script += `  { ${command}; } > >(while IFS= read -r line || [[ -n "$line" ]]; do printf '\\x01\\x01\\x01%s\\n' "$line"; done >> "$log") 2> >(while IFS= read -r line || [[ -n "$line" ]]; do printf '\\x02\\x02\\x02%s\\n' "$line"; done >> "$log")\n`;
+        script += `  {\n`;
+        script += `${command}\n`;
+        script += `  } > >(while IFS= read -r line || [[ -n "$line" ]]; do printf '\\x01\\x01\\x01%s\\n' "$line"; done >> "$log") 2> >(while IFS= read -r line || [[ -n "$line" ]]; do printf '\\x02\\x02\\x02%s\\n' "$line"; done >> "$log")\n`;
         script += `  EXIT_CODE=$?\n`;
       }