diff --git a/graphics/gmic/Makefile b/graphics/gmic/Makefile
index 80281587dae7..70640f73d117 100644
--- a/graphics/gmic/Makefile
+++ b/graphics/gmic/Makefile
@@ -1,5 +1,5 @@
 PORTNAME=	gmic
-DISTVERSION=	2.9.9
+DISTVERSION=	3.0.0
 CATEGORIES=	graphics
 MASTER_SITES=	https://gmic.eu/files/source/
 DISTNAME=	${PORTNAME}_${DISTVERSION}
diff --git a/graphics/gmic/distinfo b/graphics/gmic/distinfo
index a279364bcb8a..491064f030a3 100644
--- a/graphics/gmic/distinfo
+++ b/graphics/gmic/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1630813979
-SHA256 (gmic_2.9.9.tar.gz) = 9f053338752ec96a6b619718037767682c5fd58e2471c08f3740fdb070605bc0
-SIZE (gmic_2.9.9.tar.gz) = 7325061
+TIMESTAMP = 1640380520
+SHA256 (gmic_3.0.0.tar.gz) = 3f056bb9e6dbf0674af4c8dce59f4198172187662f7fbb36cc63ebc8c1b71120
+SIZE (gmic_3.0.0.tar.gz) = 10225122
diff --git a/graphics/gmic/files/patch-CMakeLists.txt b/graphics/gmic/files/patch-CMakeLists.txt
index d0d97a0ed54f..e432c8d055fe 100644
--- a/graphics/gmic/files/patch-CMakeLists.txt
+++ b/graphics/gmic/files/patch-CMakeLists.txt
@@ -1,11 +1,11 @@
---- CMakeLists.txt.orig	2020-06-15 06:22:09 UTC
+--- CMakeLists.txt.orig	2021-12-09 09:25:45 UTC
 +++ CMakeLists.txt
-@@ -100,7 +100,7 @@ set(COMPILE_FLAGS "-Dgmic_build -Dcimg_use_vt100 -Dgmi
+@@ -100,7 +100,7 @@ list(APPEND GMIC_CXX_COMPILE_FLAGS -Dgmic_build -Dcimg
  if(APPLE)
-    set(COMPILE_FLAGS "${COMPILE_FLAGS} -mmacosx-version-min=10.8 -stdlib=libc++ -Wno-error=c++11-narrowing -Wc++11-extensions -fpermissive")
+     list(APPEND GMIC_CXX_COMPILE_FLAGS -mmacosx-version-min=10.8 -stdlib=libc++ -Wno-error=c++11-narrowing -Wc++11-extensions -fpermissive)
  else()
--  set(COMPILE_FLAGS "${COMPILE_FLAGS} -Wno-error=narrowing -fno-ipa-sra -fpermissive")
-+  set(COMPILE_FLAGS "${COMPILE_FLAGS} -Wno-error=narrowing -fpermissive")
+-    list(APPEND GMIC_CXX_COMPILE_FLAGS -Wno-error=narrowing -fno-ipa-sra -fpermissive)
++    list(APPEND GMIC_CXX_COMPILE_FLAGS -Wno-error=narrowing -fpermissive)
  endif()
  
  if(NOT "${PRERELEASE_TAG}" STREQUAL "")