diff --git a/Doxyfile b/Doxyfile
index 4be53f7c..4f867366 100644
--- a/Doxyfile
+++ b/Doxyfile
@@ -48,7 +48,7 @@ PROJECT_NAME           = GridFire
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = v0.7.4_rc2
+PROJECT_NUMBER         = v0.7.5rc3
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewers a
diff --git a/meson.build b/meson.build
index c7e707d3..008c1b70 100644
--- a/meson.build
+++ b/meson.build
@@ -18,7 +18,7 @@
 #   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 #
 # *********************************************************************** #
-project('GridFire', ['c', 'cpp'], version: 'v0.7.4rc3', default_options: ['cpp_std=c++23'], meson_version: '>=1.5.0')
+project('GridFire', ['c', 'cpp'], version: 'v0.7.5rc3', default_options: ['cpp_std=c++23'], meson_version: '>=1.5.0')
 
 # Start by running the code which validates the build environment
 subdir('build-check')
diff --git a/pyproject.toml b/pyproject.toml
index f1caffce..6b28297f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -8,7 +8,7 @@ build-backend = "mesonpy"
 
 [project]
 name = "gridfire"  # Choose your Python package name
-version = "v0.7.4rc3" # Your project's version
+version = "v0.7.5rc3" # Your project's version
 description = "Python interface to the GridFire nuclear network code"
 readme = "README.md"
 license = { file = "LICENSE.txt" } # Reference your license file [cite: 2]