diff --git a/CHANGELOG_UNRELEASED.md b/CHANGELOG_UNRELEASED.md
index dbe921c844..24718b1f85 100644
--- a/CHANGELOG_UNRELEASED.md
+++ b/CHANGELOG_UNRELEASED.md
@@ -55,6 +55,7 @@
 
 ### Runtime
 
+- (chore) [\#2226](https://github.com/bandprotocol/bandchain/pull/2226) Rename lambda function file.
 - (impv) [\#2210](https://github.com/bandprotocol/bandchain/pull/2210) Support non-standard python package.
 - (impv) [\#2200](https://github.com/bandprotocol/bandchain/pull/2200) Move runtime configurations to runtime directory.
 
diff --git a/runtime/lambda/run.py b/runtime/lambda/lambda_function.py
similarity index 100%
rename from runtime/lambda/run.py
rename to runtime/lambda/lambda_function.py
diff --git a/runtime/lambda/pack.sh b/runtime/lambda/pack.sh
index 5d590279b8..d3f400ecc8 100755
--- a/runtime/lambda/pack.sh
+++ b/runtime/lambda/pack.sh
@@ -13,4 +13,4 @@ zip -r9 ${OLDPWD}/lambda-yoda.zip .
 cd ${OLDPWD}
 deactivate
 rm -r venv
-zip -g lambda-yoda.zip run.py
+zip -g lambda-yoda.zip lambda_function.py