diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a313cb37c2..481b4b6cd3 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -23,7 +23,7 @@ jobs:
             make
             gettext
             git
-            automake1.16
+            automake1.17
             libtool
             autoconf
             mingw-w64-ucrt-x86_64-7zip
diff --git a/doc/README.msys2 b/doc/README.msys2
index 2499fbb57e..003fccb4f0 100644
--- a/doc/README.msys2
+++ b/doc/README.msys2
@@ -10,8 +10,8 @@ using MSYS2 from https://www.msys2.org/
 ==============
 
 Current official premade MSYS2 environment version info:
-[premade]:  msys2-freeciv-win64-240516.7z
-[upstream]: https://repo.msys2.org/distrib/x86_64/msys2-x86_64-20240507.exe
+[premade]:  msys2-freeciv-win64-240810.7z
+[upstream]: https://repo.msys2.org/distrib/x86_64/msys2-x86_64-20240727.exe
 
 See chapter "Premade environment" for what these mean. The info
 is located here for quick reference for the specific freeciv revision.
@@ -75,7 +75,7 @@ is located here for quick reference for the specific freeciv revision.
  freeciv.
 
  - git
- - automake1.16
+ - automake1.17
  - libtool
  - autoconf2.72
  - autoconf-wrapper
@@ -155,7 +155,7 @@ Following packages have been installed:
 - tar
 - git
 - patch
-- automake1.16
+- automake1.17
 - libtool
 - autoconf2.72
 - autoconf-wrapper
diff --git a/windows/installer_msys2/Makefile.autotools b/windows/installer_msys2/Makefile.autotools
index 19d1aa55d0..bb9ae9b7df 100644
--- a/windows/installer_msys2/Makefile.autotools
+++ b/windows/installer_msys2/Makefile.autotools
@@ -79,7 +79,7 @@ DLLPATH_PREFIX=/$(ARCHDIR)/bin/
 ifeq ($(CI),yes)
 ICUVER=75
 else
-ICUVER=74
+ICUVER=75
 endif
 
 #
@@ -292,6 +292,7 @@ COMMON_DLLS := \
 	libssl-${CRYPTOVERSUF}.dll \
 	libidn2-0.dll \
 	libnghttp2-14.dll \
+	libnghttp3-9.dll \
 	libssh2-1.dll \
 	libcurl-4.dll \
 	libgmp-10.dll \
@@ -490,6 +491,7 @@ RULEDIT_QT5_DLLS := \
 	libssl-${CRYPTOVERSUF}.dll \
 	libidn2-0.dll \
 	libnghttp2-14.dll \
+	libnghttp3-9.dll \
 	libssh2-1.dll \
 	libcurl-4.dll \
 	libgmp-10.dll \
@@ -548,6 +550,7 @@ RULEDIT_QT6_DLLS := \
 	libssl-${CRYPTOVERSUF}.dll \
 	libidn2-0.dll \
 	libnghttp2-14.dll \
+	libnghttp3-9.dll \
 	libssh2-1.dll \
 	libcurl-4.dll \
 	libgmp-10.dll \
diff --git a/windows/installer_msys2/Makefile.meson b/windows/installer_msys2/Makefile.meson
index bd53a38acc..e472bc3431 100644
--- a/windows/installer_msys2/Makefile.meson
+++ b/windows/installer_msys2/Makefile.meson
@@ -73,7 +73,7 @@ DLLPATH_PREFIX=/$(ARCHDIR)/bin/
 ifeq ($(CI),yes)
 ICUVER=75
 else
-ICUVER=74
+ICUVER=75
 endif
 
 #
@@ -236,6 +236,7 @@ COMMON_DLLS := \
 	libssl-${CRYPTOVERSUF}.dll \
 	libidn2-0.dll \
 	libnghttp2-14.dll \
+	libnghttp3-9.dll \
 	libpsl-5.dll \
 	libssh2-1.dll \
 	libreadline8.dll \