diff --git a/constraints/ci.txt b/constraints/ci.txt
index 367b166..a4ef4e2 100644
--- a/constraints/ci.txt
+++ b/constraints/ci.txt
@@ -2,7 +2,7 @@
 # Update intentionally through a reviewed dependency maintenance PR.
 
 arrow==1.4.0
-ast_serialize==0.6.0
+ast_serialize==0.8.0
 attrs==26.1.0
 backports.tarfile==1.2.0
 boolean.py==5.0