diff --git a/lang/nim/Makefile b/lang/nim/Makefile
index b585bbf6d023..050645a0c236 100644
--- a/lang/nim/Makefile
+++ b/lang/nim/Makefile
@@ -1,102 +1,102 @@
 # Created by: Neal Nelson <ports@nicandneal.net>
 
 PORTNAME=	nim
-DISTVERSION=	1.6.4
+DISTVERSION=	1.6.6
 CATEGORIES=	lang
 MASTER_SITES=	https://nim-lang.org/download/
 
 MAINTAINER=	ports@nicandneal.net
 COMMENT=	Nim programming language
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/copying.txt
 
 BROKEN_sparc64=	fails to build: build.sh: clang: not found
 
 LIB_DEPENDS=	libpcre.so:devel/pcre
 TEST_DEPENDS=	node>=0:www/node
 
 USES=		compiler:c11 cpe tar:xz
 
 CPE_VENDOR=	nim-lang
 
 MAKE_JOBS_UNSAFE=	yes
 
 OPTIONS_DEFINE=		DOCS TOOLS
 OPTIONS_DEFAULT=	TOOLS
 OPTIONS_EXCLUDE_powerpc64=	DOCS
 OPTIONS_SUB=		yes
 
 TOOLS_DESC=	Build and install nim tools, not including nimble nor nimfind
 
 TEST_BINARY_ALIAS=	node=nodejs
 
 .include <bsd.port.pre.mk>
 
 TLIST=		nimgrep nimpretty nimsuggest testament
 
 .if ${CHOSEN_COMPILER_TYPE} == "gcc"
 EXTRA_PATCHES=	${PATCHDIR}/elfv1-patch-build.sh
 .else
 EXTRA_PATCHES=	${PATCHDIR}/clang-patch-build.sh
 .endif
 
 post-patch:
 .if defined(PPC_ABI) && ${PPC_ABI} == ELFv1
 	@${REINPLACE_CMD} -e '/cc =/s/clang/gcc/' ${WRKSRC}/config/nim.cfg
 	@${REINPLACE_CMD} -e s/%%GCC_DEFAULT%%/${GCC_DEFAULT}/ \
 		${WRKSRC}/build.sh ${WRKSRC}/config/nim.cfg
 .endif
 
 do-build:
 	cd ${WRKSRC} && ${SETENV} CC="${CC}" LINKER="${CC}" \
 		COMP_FLAGS="${CPPFLAGS} ${CFLAGS}" LINK_FLAGS="${LDFLAGS}" \
 		${SH} build.sh
 	cd ${WRKSRC} && bin/nim c --parallelBuild=${MAKE_JOBS_NUMBER} \
 		--nimcache=${WRKDIR}/nimcache -d:release koch
 	cd ${WRKSRC} && ./koch boot --parallelBuild=${MAKE_JOBS_NUMBER} \
 		-d:release --nimcache=${WRKDIR}/nimcache
 	cd ${WRKSRC} && bin/nim c --parallelBuild=${MAKE_JOBS_NUMBER} \
 		-d:release --nimcache=${WRKDIR}/nimcache --app:lib \
 		-d:createNimRtl lib/nimrtl.nim
 
 do-build-DOCS-on:
 	cd ${WRKSRC} && ./koch --localdocs docs \
 		-d:release --nimcache=${WRKDIR}/nimcache --docCmd=skip
 
 do-build-TOOLS-on:
 	cd ${WRKSRC} && ./koch tools --parallelBuild=${MAKE_JOBS_NUMBER} \
 		-d:release --nimcache=${WRKSRC}/nimcache
 
 do-install:
 	# Install nim compiler
 	${INSTALL_PROGRAM} ${WRKSRC}/bin/nim ${STAGEDIR}${PREFIX}/bin
 	${STRIP_CMD} ${STAGEDIR}${PREFIX}/bin/nim
 	# Install lib nim rtl
 	${INSTALL_LIB} ${WRKSRC}/lib/libnimrtl.so ${STAGEDIR}${PREFIX}/lib
 	# Install nim lib files
 	${MKDIR} ${STAGEDIR}${PREFIX}/lib/${PORTNAME}
 	(cd ${WRKSRC}/lib && ${COPYTREE_SHARE} . ${STAGEDIR}${PREFIX}/lib/${PORTNAME} "! -name libnimrtl.so")
 	${MKDIR} ${STAGEDIR}${PREFIX}/lib/${PORTNAME}/compiler
 	(cd ${WRKSRC}/compiler && ${COPYTREE_SHARE} . ${STAGEDIR}${PREFIX}/lib/${PORTNAME}/compiler "! -name nim ! -name nim1")
 	# Configuration files
 	${MKDIR} ${STAGEDIR}${ETCDIR}
 .for file in nim.cfg nimdoc.cfg nimdoc.tex.cfg
 	${INSTALL_DATA} ${WRKSRC}/config/${file} ${STAGEDIR}${ETCDIR}
 .endfor
 
 do-install-DOCS-on:
 	${FIND} ${WRKSRC}/doc -name "*.idx" -delete
 	${MKDIR} ${STAGEDIR}${DOCSDIR}
 	(cd ${WRKSRC}/doc && ${COPYTREE_SHARE} . ${STAGEDIR}${DOCSDIR})
 
 do-install-TOOLS-on:
 .for t in ${TLIST}
 	${INSTALL_PROGRAM} ${WRKSRC}/bin/${t} ${STAGEDIR}${PREFIX}/bin
 .endfor
 
 do-test:
 	cd ${WRKSRC} && ${SETENV} ./koch test all -d:release \
 	--nimcache=${WRKDIR}/nimcache --putenv:"PATH=${PATH}"
 
 .include <bsd.port.post.mk>
diff --git a/lang/nim/distinfo b/lang/nim/distinfo
index 5bbf94700bfc..357dc0b2210d 100644
--- a/lang/nim/distinfo
+++ b/lang/nim/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1644504444
-SHA256 (nim-1.6.4.tar.xz) = 7fc3092855b5c2200cd9feed133d04605823f250d73b4d4ac501300370e0a0c2
-SIZE (nim-1.6.4.tar.xz) = 5130208
+TIMESTAMP = 1651840375
+SHA256 (nim-1.6.6.tar.xz) = 67b111ce6f3861503b9fcc1cae59fc34d0122566d3ecfef3a064a2174121a452
+SIZE (nim-1.6.6.tar.xz) = 5149956