diff --git a/devel/gn/Makefile b/devel/gn/Makefile
index 3ef5221bd747..beddd39ee45c 100644
--- a/devel/gn/Makefile
+++ b/devel/gn/Makefile
@@ -1,42 +1,43 @@
+# Created by: Oleh Hushchenkov <o.hushchenkov@gmail.com>
+
 PORTNAME=	gn
 DISTVERSIONPREFIX=	v
-DISTVERSION=	1823
-PORTREVISION=	2
+DISTVERSION=	1897
 CATEGORIES=	devel
 
 MAINTAINER=	o.hushchenkov@gmail.com
 COMMENT=	Gn meta build framework - standalone version
 
 LICENSE=	BSD3CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 BROKEN_riscv64=		fails to build: ../src/util/build_config.h:168:2: Please add support for your architecture in build_config.h
 
 USES=		alias compiler:c++17-lang ninja python:build shebangfix
 USE_GITHUB=	yes
 GH_ACCOUNT=	cglogic # mirror
 SHEBANG_FILES=	${CONFIGURE_SCRIPT}
 HAS_CONFIGURE=	yes
 CONFIGURE_SCRIPT=	build/gen.py
 CONFIGURE_ARGS=	--platform freebsd ${WITH_DEBUG:D--debug}
 CONFIGURE_ENV=	GN_VERSION=${PORTVERSION}
 CONFIGURE_OUTSOURCE=	yes
 ALL_TARGET=	# empty
 
 CONFLICTS_INSTALL=	chromium-gn
 
 CONFIGURE_WRKSRC=	${WRKSRC}/out # --out-path breaks "make test"
 
 PLIST_FILES=	bin/${PORTNAME}
 
 post-patch:
-	@${REINPLACE_CMD} 's/"python"/"${PYTHON_CMD:T}"/' \
+	@${REINPLACE_CMD} 's/"python3"/"${PYTHON_CMD:T}"/' \
 		${WRKSRC}/src/gn/exec_process_unittest.cc
 
 do-install:
 	${INSTALL_PROGRAM} ${INSTALL_WRKSRC}/${PORTNAME} ${STAGEDIR}${PREFIX}/bin
 
 do-test:
 	${TEST_WRKSRC}/gn_unittests
 
 .include <bsd.port.mk>
diff --git a/devel/gn/distinfo b/devel/gn/distinfo
index d1ea49078c58..5269f68d8c41 100644
--- a/devel/gn/distinfo
+++ b/devel/gn/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1597572639
-SHA256 (cglogic-gn-v1823_GH0.tar.gz) = c1780642bf2fe31d50823a0dc8d81715b8accd343885618c74642240b6f42a00
-SIZE (cglogic-gn-v1823_GH0.tar.gz) = 996749
+TIMESTAMP = 1619271291
+SHA256 (cglogic-gn-v1897_GH0.tar.gz) = 94762fc85346bd0a2ed648852563554b173cc17ef16bc06972f5b3a7a9979235
+SIZE (cglogic-gn-v1897_GH0.tar.gz) = 1011867
diff --git a/devel/gn/files/patch-build_gen.py b/devel/gn/files/patch-build_gen.py
index 294d29a35897..6cf53918e3c1 100644
--- a/devel/gn/files/patch-build_gen.py
+++ b/devel/gn/files/patch-build_gen.py
@@ -1,32 +1,32 @@
 - .git/ is missing in archive, so use version from environment
 
---- build/gen.py.orig	2020-09-21 09:20:32 UTC
+--- build/gen.py.orig	2021-04-24 13:35:05 UTC
 +++ build/gen.py
-@@ -149,25 +149,16 @@ def main(argv):
+@@ -151,25 +151,16 @@ def main(argv):
  
  
  def GenerateLastCommitPosition(host, header):
 -  ROOT_TAG = 'initial-commit'
 -  describe_output = subprocess.check_output(
 -      ['git', 'describe', 'HEAD', '--match', ROOT_TAG], shell=host.is_windows(),
 -      cwd=REPO_ROOT)
 -  mo = re.match(ROOT_TAG + '-(\d+)-g([0-9a-f]+)', describe_output.decode())
 -  if not mo:
 -    raise ValueError(
 -        'Unexpected output from git describe when generating version header')
 -
    contents = '''// Generated by build/gen.py.
  
  #ifndef OUT_LAST_COMMIT_POSITION_H_
  #define OUT_LAST_COMMIT_POSITION_H_
  
  #define LAST_COMMIT_POSITION_NUM %s
 -#define LAST_COMMIT_POSITION "%s (%s)"
 +#define LAST_COMMIT_POSITION "%s"
  
  #endif  // OUT_LAST_COMMIT_POSITION_H_
 -''' % (mo.group(1), mo.group(1), mo.group(2))
 +''' % (os.environ['GN_VERSION'], os.environ['GN_VERSION'])
  
    # Only write/touch this file if the commit position has changed.
    old_contents = ''
diff --git a/devel/gn/files/patch-src_gn_args.cc b/devel/gn/files/patch-src_gn_args.cc
index d245f45883e5..6e7554c7fcc9 100644
--- a/devel/gn/files/patch-src_gn_args.cc
+++ b/devel/gn/files/patch-src_gn_args.cc
@@ -1,11 +1,11 @@
---- src/gn/args.cc.orig	2020-11-25 15:41:38 UTC
+--- src/gn/args.cc.orig	2021-04-06 17:41:35 UTC
 +++ src/gn/args.cc
-@@ -354,7 +354,7 @@ void Args::SetSystemVarsLocked(Scope* dest) const {
+@@ -357,7 +357,7 @@ void Args::SetSystemVarsLocked(Scope* dest) const {
      arch = kMips64;
    else if (os_arch == "s390x")
      arch = kS390X;
 -  else if (os_arch == "ppc64" || os_arch == "ppc64le")
 +  else if (os_arch == "ppc64" || os_arch == "ppc64le" || os_arch == "powerpc")
      // We handle the endianness inside //build/config/host_byteorder.gni.
      // This allows us to use the same toolchain as ppc64 BE
      // and specific flags are included using the host_byteorder logic.