diff --git a/core/bison/checksums b/core/bison/checksums
index d041def3..24b692a5 100644
--- a/core/bison/checksums
+++ b/core/bison/checksums
@@ -1 +1 @@
-07b25fbf4de2f2c686e8bff50fdb69efda49b6f9f7377dad1884f9508a28592b  bison-3.7.tar.xz
+55c215521a13982a9bee68cd42eed51a65713f96c530a739a57de4438ac1bb69  bison-3.7.1.tar.xz
diff --git a/core/bison/sources b/core/bison/sources
index 032069ae..c9972e87 100644
--- a/core/bison/sources
+++ b/core/bison/sources
@@ -1 +1 @@
-https://ftp.gnu.org/gnu/bison/bison-3.7.tar.xz
+https://ftp.gnu.org/gnu/bison/bison-3.7.1.tar.xz
diff --git a/core/bison/version b/core/bison/version
index fa0ebc74..f6cb9b11 100644
--- a/core/bison/version
+++ b/core/bison/version
@@ -1 +1 @@
-3.7 1
+3.7.1 1