diff --git a/utils/agda.Dockerfile b/utils/agda.Dockerfile
index 1623957..7355275 100644
--- a/utils/agda.Dockerfile
+++ b/utils/agda.Dockerfile
@@ -1,3 +1,4 @@
-FROM        fpco/stack-build:lts-21
-LABEL author="Ting-Gian LUA <banacorn@gmail.com>"
-RUN stack --resolver=lts-21.13 install Agda-2.6.4 EdisonCore-1.3.2.1 data-hash-0.2.0.1 equivalence-0.3.4 geniplate-mirror-0.7.6 EdisonAPI-1.3.1 STMonadTrans-0.4.3
+FROM haskell:9
+RUN cabal update
+RUN cabal install Agda-2.6.4
+