diff --git a/tools/bison/Makefile b/tools/bison/Makefile
index 4cdf7520c3..d00e7240d6 100644
--- a/tools/bison/Makefile
+++ b/tools/bison/Makefile
@@ -7,11 +7,11 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=bison
-PKG_VERSION:=3.2.1
+PKG_VERSION:=3.2.2
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
 PKG_SOURCE_URL:=@GNU/$(PKG_NAME)
-PKG_HASH:=8ba8bd5d6e935d01b89382fa5c2fa7602e03bbb435575087bfdc3c450d4d9ecd
+PKG_HASH:=6f950f24e4d0745c7cc870e36d04f4057133ce0f31d6b4564e6f510a7d3ffafa
 
 HOST_BUILD_PARALLEL:=1