diff --git a/test/GNUmakefile b/test/GNUmakefile
index 332b5dc4..d4852228 100644
--- a/test/GNUmakefile
+++ b/test/GNUmakefile
@@ -34,8 +34,8 @@ $(TMP) :
 
 # Download shellcheck
 
-SHELLCHECK_VERSION=0.8.0
-SHELLCHECK_TAR_SHA512=89317d97adb341e627b709e86477734ce236e9fb290de8a8c41cdc62769a3225622fa609deffebeabe9edb71f5639a086f61b677947e3ec4bc07c540fcbd0973
+SHELLCHECK_VERSION=0.9.0
+SHELLCHECK_TAR_SHA512=157fd8b2c18a257f3876e23015580ea63d27b12c4f13f87d625a180e8ca042e7501271d15edeb36e7b5780da73815b45386a33e063ab1c891d838f35c778a8ac
 SHELLCHECK_TAR_DIR=shellcheck-v$(SHELLCHECK_VERSION)
 SHELLCHECK_TAR_FN=$(SHELLCHECK_TAR_DIR).linux.x86_64.tar.xz
 SHELLCHECK_TAR_URL_BASE=https://github.com/koalaman/shellcheck/releases/download/v$(SHELLCHECK_VERSION)/