diff --git a/srcpkgs/openttd/patches/regression_tests.patch b/srcpkgs/openttd/patches/regression_tests.patch
index 7f939454532..59b87e5faa2 100644
--- a/srcpkgs/openttd/patches/regression_tests.patch
+++ b/srcpkgs/openttd/patches/regression_tests.patch
@@ -1,7 +1,7 @@
 Fix regression tests on musl libc
 index 19fece83f5..641e1e6de2 100644
---- a/openttd-13.3/cmake/scripts/Regression.cmake
-+++ b/openttd-13.3/cmake/scripts/Regression.cmake
+--- a/openttd-13.4/cmake/scripts/Regression.cmake
++++ b/openttd-13.4/cmake/scripts/Regression.cmake
 @@ -53,6 +53,7 @@ endif()
  string(REPLACE "0x(nil)" "0x00000000" REGRESSION_RESULT "${REGRESSION_RESULT}")
  string(REPLACE "0x0000000000000000" "0x00000000" REGRESSION_RESULT "${REGRESSION_RESULT}")
diff --git a/srcpkgs/openttd/template b/srcpkgs/openttd/template
index 40596ac750b..cffbb80b270 100644
--- a/srcpkgs/openttd/template
+++ b/srcpkgs/openttd/template
@@ -1,7 +1,7 @@
 # Template file for 'openttd'
 pkgname=openttd
-version=13.3
-revision=2
+version=13.4
+revision=1
 _gfxver=7.1
 _sfxver=1.0.3
 _msxver=0.4.2
@@ -29,7 +29,7 @@ distfiles="https://cdn.openttd.org/openttd-releases/${version}/openttd-${version
  https://cdn.openttd.org/opengfx-releases/${_gfxver}/opengfx-${_gfxver}-all.zip
  https://cdn.openttd.org/opensfx-releases/${_sfxver}/opensfx-${_sfxver}-all.zip
  https://cdn.openttd.org/openmsx-releases/${_msxver}/openmsx-${_msxver}-all.zip"
-checksum="aafa16d2fb67165134c73a888f79f7a5ed7da17a04cf6e9ecf672c9cb89e7192
+checksum="2a1deba01bfe58e2188879f450c3fa4f3819271ab49bf348dd66545f040d146f
  928fcf34efd0719a3560cbab6821d71ce686b6315e8825360fba87a7a94d7846
  e0a218b7dd9438e701503b0f84c25a97c1c11b7c2f025323fb19d6db16ef3759
  5a4277a2e62d87f2952ea5020dc20fb2f6ffafdccf9913fbf35ad45ee30ec762"