diff --git a/lang/tcl/Makefile b/lang/tcl/Makefile
index 0dc6fd0db..8efd4e771 100644
--- a/lang/tcl/Makefile
+++ b/lang/tcl/Makefile
@@ -9,22 +9,24 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=tcl
 TCL_MAJOR_VERSION:=8.6
-PKG_VERSION:=${TCL_MAJOR_VERSION}.9
+PKG_VERSION:=${TCL_MAJOR_VERSION}.10
 PKG_RELEASE:=2
 
 PKG_SOURCE:=$(PKG_NAME)$(PKG_VERSION)-src.tar.gz
 PKG_SOURCE_URL:=@SF/$(PKG_NAME)
-PKG_HASH:=ad0cd2de2c87b9ba8086b43957a0de3eb2eb565c7159d5f53ccbba3feb915f4e
+PKG_HASH:=5196dbf6638e3df8d5c87b5815c8c2b758496eb6f0e41446596c9a4e638d87ed
+PKG_BUILD_DIR:=$(BUILD_DIR)/$(PKG_NAME)$(PKG_VERSION)
+HOST_BUILD_DIR:=$(BUILD_DIR_HOST)/$(PKG_NAME)$(PKG_VERSION)
+
+PKG_MAINTAINER:=Joe Mistachkin <joe@mistachkin.com>
 PKG_LICENSE:=TCL
 PKG_LICENSE_FILES:=license.terms
-PKG_MAINTAINER:=Joe Mistachkin <joe@mistachkin.com>
 PKG_CPE_ID:=cpe:/a:tcl_tk:tcl_tk
 
-PKG_BUILD_DIR:=$(BUILD_DIR)/$(PKG_NAME)$(PKG_VERSION)
-HOST_BUILD_DIR:=$(BUILD_DIR_HOST)/$(PKG_NAME)$(PKG_VERSION)
-
 PKG_FIXUP:=autoreconf
 PKG_INSTALL:=1
+PKG_BUILD_PARALLEL:=1
+HOST_BUILD_PARALLEL:=1
 
 include $(INCLUDE_DIR)/host-build.mk
 include $(INCLUDE_DIR)/package.mk