diff --git a/backend/requirements/base.txt b/backend/requirements/base.txt
index cab350c7..729b37f3 100644
--- a/backend/requirements/base.txt
+++ b/backend/requirements/base.txt
@@ -3,6 +3,7 @@ cffi==1.15.1
 click==8.1.3
 cryptography==37.0.4
 ecdsa==0.18.0
+epc-api-python==1.0.2
 exceptiongroup==1.1.2
 fastapi==0.99.1
 h11==0.14.0
diff --git a/serverless.yml b/serverless.yml
index 75a807fa..e9cbdaf1 100644
--- a/serverless.yml
+++ b/serverless.yml
@@ -58,7 +58,7 @@ custom:
     dockerFile: backend/docker/Dockerfile
     useDocker: true
     dockerSsh: true
-    fileName: serverless_requirements.txt
+    fileName: backend/requirements/base.txt
     dockerBuildCmdExtraArgs:
       - '--progress=plain'
   customDomain: