diff --git a/meta/conf/bitbake.conf b/meta/conf/bitbake.conf
index be7d4801..cbe284df 100644
--- a/meta/conf/bitbake.conf
+++ b/meta/conf/bitbake.conf
@@ -101,7 +101,7 @@ REPO_BASE_DB_DIR = "${DEPLOY_DIR}/base-apt/${DISTRO}/db"
 BB_SIGNATURE_HANDLER ?= "OEEquivHash"
 BB_HASHSERVE ??= "auto"
 BB_HASHEXCLUDE_ISAR ?= "CCACHE_DEBUG LAYERDIR_core SCRIPTSDIR TOPDIR ISAR_BUILD_UUID \
-    RUN_PRIVILEGED_CMD UNSHARE_SUBUID_BASE"
+    RUN_PRIVILEGED_CMD UNSHARE_SUBUID_BASE GNUPGHOME"
 BB_HASHEXCLUDE_COMMON ?= "TMPDIR FILE PATH PWD BB_TASKHASH BBPATH BBSERVER DL_DIR \
     THISDIR FILESEXTRAPATHS FILE_DIRNAME HOME LOGNAME SHELL \
     USER FILESPATH STAGING_DIR_HOST STAGING_DIR_TARGET COREBASE PRSERV_HOST \