diff --git a/tools/ccache/Makefile b/tools/ccache/Makefile
index e31aa405d..0cf528bb5 100644
--- a/tools/ccache/Makefile
+++ b/tools/ccache/Makefile
@@ -8,13 +8,11 @@ include $(TOPDIR)/rules.mk
 include $(INCLUDE_DIR)/target.mk
 
 PKG_NAME:=ccache
-PKG_VERSION:=4.6
+PKG_VERSION:=4.6.3
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
 PKG_SOURCE_URL:=https://github.com/ccache/ccache/releases/download/v$(PKG_VERSION)
-PKG_HASH:=3d2bb860f4359169e640f60cf7cc11da5fab5fb9aed55230d78141e49c3945e9
-
-HOST_BUILD_PARALLEL:=1
+PKG_HASH:=1e3a251bb112632553b8255a78661fe526c3a16598496d51128c32b218fd8b22
 
 include $(INCLUDE_DIR)/host-build.mk
 include $(INCLUDE_DIR)/cmake.mk
diff --git a/tools/ccache/patches/100-honour-copts.patch b/tools/ccache/patches/100-honour-copts.patch
index 55422985b..c8f2fc0fe 100644
--- a/tools/ccache/patches/100-honour-copts.patch
+++ b/tools/ccache/patches/100-honour-copts.patch
@@ -1,6 +1,6 @@
 --- a/src/ccache.cpp
 +++ b/src/ccache.cpp
-@@ -1633,6 +1633,7 @@ calculate_result_and_manifest_key(Contex
+@@ -1756,6 +1756,7 @@ calculate_result_and_manifest_key(Contex
                               "CPLUS_INCLUDE_PATH",
                               "OBJC_INCLUDE_PATH",
                               "OBJCPLUS_INCLUDE_PATH", // clang