diff --git a/board/czechlight/common/os-release.sh b/board/czechlight/common/os-release.sh
index 516852b..4f3f958 100755
--- a/board/czechlight/common/os-release.sh
+++ b/board/czechlight/common/os-release.sh
@@ -11,6 +11,7 @@
 CLA_BR2_EXTERNAL_REV=$(czechlight_describe_git ${BR2_EXTERNAL_CZECHLIGHT_PATH})
 CLA_SYSREPO_REV=$(czechlight_describe_git $(czechlight_query_local_make_var CLA_SYSREPO_OVERRIDE_SRCDIR))
 NETCONF_CLI_REV=$(czechlight_describe_git $(czechlight_query_local_make_var NETCONF_CLI_OVERRIDE_SRCDIR))
+GAMMARUS_REV=$(czechlight_describe_git $(czechlight_query_local_make_var GAMMARUS_OVERRIDE_SRCDIR))
 CLA_CPP_DEPENDENCIES_REV=$(czechlight_describe_git $(czechlight_query_local_make_var CLA_SYSREPO_OVERRIDE_SRCDIR)/submodules/dependencies)
 
 sed -i \
@@ -30,4 +31,5 @@
 CLA_SYSREPO_VERSION=${CLA_SYSREPO_REV}
 NETCONF_CLI_VERSION=${NETCONF_CLI_REV}
 CPP_DEPENDENCIES_VERSION=${CLA_CPP_DEPENDENCIES_REV}
+GAMMARUS_VERSION=${GAMMARUS_REV}
 EOF
diff --git a/submodules/gammarus b/submodules/gammarus
index 6597a73..9e9c645 160000
--- a/submodules/gammarus
+++ b/submodules/gammarus
@@ -1 +1 @@
-Subproject commit 6597a738a1067c28e106dd23e38e61b8555977c3
+Subproject commit 9e9c6454e3340f05a1280314e6fb7d566d694f1a