diff --git a/meta-oe/recipes-extended/byacc/byacc_20210808.bb b/meta-oe/recipes-extended/byacc/byacc_20211224.bb
similarity index 65%
rename from meta-oe/recipes-extended/byacc/byacc_20210808.bb
rename to meta-oe/recipes-extended/byacc/byacc_20211224.bb
index eeed39f633..85e5072716 100644
--- a/meta-oe/recipes-extended/byacc/byacc_20210808.bb
+++ b/meta-oe/recipes-extended/byacc/byacc_20211224.bb
@@ -4,7 +4,7 @@
 # Setting to PD as this is what the upstream has it as.
 
 LICENSE = "PD"
-LIC_FILES_CHKSUM = "file://package/debian/copyright;md5=80ce98c6ab91cc4a93a9d2cfb7c14463"
+LIC_FILES_CHKSUM = "file://package/debian/copyright;md5=e13dd32663e3159031608d536530a080"
 require byacc.inc
 
-SRC_URI[sha256sum] = "f158529be9d0594263c7f11a87616a49ea23e55ac63691252a2304fbbc7d3a83"
+SRC_URI[sha256sum] = "7bc42867a095df2189618b64497016298818e88e513fca792cb5adc9a68ebfb8"