diff --git a/cxxmatrix/README b/cxxmatrix/README
index 46c6d3a54..105e29ce3 100644
--- a/cxxmatrix/README
+++ b/cxxmatrix/README
@@ -6,17 +6,17 @@ purpose is just for fun. Enjoy it with fast terminals (e.g., urxvt, alacritty,
 terminology, etc.)!
 
 Runtime requirements:
-  cygwin-3.3.5-1
-  libgcc1-11.3.0-1
-  libstdc++6-11.3.0-1
+  cygwin-3.5.4-1
+  libgcc1-12.4.0-3
+  libstdc++6-12.4.0-3
 
 Build requirements:
 (besides corresponding -devel packages)
-  binutils-2.38-1
-  cygport-0.35.2-1
-  gcc-core-11.3.0-1
-  gcc-g++-11.3.0-1
-  make-4.3-1
+  binutils-2.43.1-1
+  cygport-0.36.9-1
+  gcc-core-12.4.0-3
+  gcc-g++-12.4.0-3
+  make-4.4.1-2
 
 Canonical website:
   https://github.com/akinomyoga/cxxmatrix
@@ -27,15 +27,15 @@ Canonical download:
 -------------------------------------------
 
 Build instructions:
-  1. unpack cxxmatrix-0+git20220324-X-src.tar.xz
+  1. unpack cxxmatrix-0+git20240617-X-src.tar.xz
   2. if you use setup to install this src package,
      it will be unpacked under /usr/src automatically
         % cd /usr/src
-        % cygport ./cxxmatrix-0+git20220324-X.cygport all
+        % cygport ./cxxmatrix-0+git20240617-X.cygport all
 
 This will create:
-  /usr/src/cxxmatrix-0+git20220324-X-src.tar.xz
-  /usr/src/cxxmatrix-0+git20220324-X.tar.xz
+  /usr/src/cxxmatrix-0+git20240617-X-src.tar.xz
+  /usr/src/cxxmatrix-0+git20240617-X.tar.xz
 
 -------------------------------------------
 
@@ -52,5 +52,8 @@ Files included in the binary package:
 
 Port Notes:
 
+----- version 0+git20240617-1bl1 -----
+Version bump.
+
 ----- version 0+git20220324-1bl1 -----
 Initial release by fd0 <https://github.com/fd00/>
diff --git a/cxxmatrix/cxxmatrix-0+git20220324-1bl1.cygport b/cxxmatrix/cxxmatrix-0+git20240617-1bl1.cygport
similarity index 92%
rename from cxxmatrix/cxxmatrix-0+git20220324-1bl1.cygport
rename to cxxmatrix/cxxmatrix-0+git20240617-1bl1.cygport
index 51b27db5c..0891885a4 100644
--- a/cxxmatrix/cxxmatrix-0+git20220324-1bl1.cygport
+++ b/cxxmatrix/cxxmatrix-0+git20240617-1bl1.cygport
@@ -1,5 +1,6 @@
 HOMEPAGE="https://github.com/akinomyoga/${PN}"
 GIT_URI="https://github.com/akinomyoga/${PN}.git"
+GIT_REV="c8d4ecfb8b6c22bb93f3e10a9d203209ba193591"
 
 CATEGORY="Utils"
 SUMMARY="Matrix Reloaded in Terminals"
diff --git a/cxxmatrix/cxxmatrix-0+git20240617-1bl1.src.patch b/cxxmatrix/cxxmatrix-0+git20240617-1bl1.src.patch
new file mode 100644
index 000000000..026bb87a4
--- /dev/null
+++ b/cxxmatrix/cxxmatrix-0+git20240617-1bl1.src.patch
@@ -0,0 +1,11 @@
+--- origsrc/cxxmatrix/GNUmakefile	2025-01-12 00:05:28.000000000 +0900
++++ src/cxxmatrix/GNUmakefile	2025-01-12 00:06:44.975135900 +0900
+@@ -24,7 +24,7 @@ endif
+ 
+ # C++ compile options
+ CPPFLAGS = -MD -MP -MF $(@:.o=.dep)
+-CXXFLAGS := -std=c++17 -Wall -Wextra -Ofast
++CXXFLAGS ?= -std=c++17 -Wall -Wextra -Ofast
+ 
+ # @var DESTDIR
+ # @var PREFIX [/usr/local]