diff --git a/linux-ppc64le/crosstool-ng.config b/linux-ppc64le/crosstool-ng.config
index 5b65eab..6b02e72 100644
--- a/linux-ppc64le/crosstool-ng.config
+++ b/linux-ppc64le/crosstool-ng.config
@@ -349,7 +349,7 @@ CT_CC_CORE_PASSES_NEEDED=y
 CT_CC_CORE_PASS_1_NEEDED=y
 CT_CC_CORE_PASS_2_NEEDED=y
 CT_CC_gcc=y
-CT_CC_GCC_VERSION="6.3.0"
+CT_CC_GCC_VERSION="7.3.0"
 # CT_CC_GCC_SHOW_LINARO is not set
 CT_CC_GCC_V_6_3_0=y
 # CT_CC_GCC_V_5_4_0 is not set
diff --git a/linux-s390x/crosstool-ng.config b/linux-s390x/crosstool-ng.config
index aaf9035..54ad725 100644
--- a/linux-s390x/crosstool-ng.config
+++ b/linux-s390x/crosstool-ng.config
@@ -343,7 +343,7 @@ CT_CC_CORE_PASSES_NEEDED=y
 CT_CC_CORE_PASS_1_NEEDED=y
 CT_CC_CORE_PASS_2_NEEDED=y
 CT_CC_gcc=y
-CT_CC_GCC_VERSION="6.3.0"
+CT_CC_GCC_VERSION="7.3.0"
 # CT_CC_GCC_SHOW_LINARO is not set
 CT_CC_GCC_V_6_3_0=y
 # CT_CC_GCC_V_5_4_0 is not set