diff --git a/textproc/opencc/Portfile b/textproc/opencc/Portfile
index d6d21dc97c7..75af03e922e 100644
--- a/textproc/opencc/Portfile
+++ b/textproc/opencc/Portfile
@@ -5,7 +5,7 @@ PortGroup           cmake 1.1
 PortGroup           github 1.0
 
 github.setup        BYVoid OpenCC 1.1.9 ver.
-revision            0
+revision            1
 checksums           rmd160  11494a72423a298d39d7e5f77746a6b906702b73 \
                     sha256  ad4bcd8d87219a240a236d4a55c9decd2132a9436697d2882ead85c8939b0a99 \
                     size    3422511
@@ -31,9 +31,13 @@ depends_lib         port:marisa-trie
 patchfiles          patch-data-CMakeLists.txt.diff
 
 compiler.cxx_standard \
-                    2014
+                    2017
 
-configure.args      -DUSE_SYSTEM_MARISA=ON
+# include/marisa/key.h:22:21: error: 'std::string_view' has not been declared
+post-patch {
+    reinplace "s|CMAKE_CXX_STANDARD 14|CMAKE_CXX_STANDARD 17|" ${worksrcpath}/CMakeLists.txt
+    reinplace "s|std=c++14|std=c++17|g" ${worksrcpath}/CMakeLists.txt
+}
 
 if {${os.platform} ne "darwin" || ${os.major} >= 21} {
     configure.args-append -DPYTHON_EXECUTABLE=/usr/bin/python3