diff --git a/core/bison/checksums b/core/bison/checksums
index c9e3366d..f8f97c05 100644
--- a/core/bison/checksums
+++ b/core/bison/checksums
@@ -1 +1 @@
-1e0a14a8bf52d878e500c33d291026b9ebe969c27b3998d4b4285ab6dbce4527
+31fc602488aad6bdecf0ccc556e0fc72fc57cdc595cf92398f020e0cf4980f15
diff --git a/core/bison/version b/core/bison/version
index 061914f6..aecb372e 100644
--- a/core/bison/version
+++ b/core/bison/version
@@ -1 +1 @@
-3.8 1
+3.8.1 1