diff --git a/.github/workflows/wheel-short-test.yml b/.github/workflows/wheel-short-test.yml
index c339116f49..38de992de9 100644
--- a/.github/workflows/wheel-short-test.yml
+++ b/.github/workflows/wheel-short-test.yml
@@ -10,7 +10,7 @@ on:
     types: ['released', 'prereleased']
 
 env:
-  PACKAGE_VERSION: "1.0.0a20.dev0"
+  PACKAGE_VERSION: "1.0.0a20"
   PACKAGE_NAME: alpaqa
   PYTHON_VERSION: '3.11'
 
diff --git a/.github/workflows/wheel.yml b/.github/workflows/wheel.yml
index 1f0ad19f0a..916c93215b 100644
--- a/.github/workflows/wheel.yml
+++ b/.github/workflows/wheel.yml
@@ -6,7 +6,7 @@ on:
     types: ['released', 'prereleased']
 
 env:
-  PACKAGE_VERSION: "1.0.0a20.dev0"
+  PACKAGE_VERSION: "1.0.0a20"
   PACKAGE_NAME: alpaqa
   C_EXTENSIONS: _alpaqa
 
diff --git a/CMakeLists.txt b/CMakeLists.txt
index f412a554f5..d7842e9966 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -5,7 +5,7 @@ project(alpaqa
     HOMEPAGE_URL "https://github.com/kul-optec/alpaqa"
     LANGUAGES CXX
 )
-set(PY_VERSION_SUFFIX "a20.dev0")
+set(PY_VERSION_SUFFIX "a20")
 include(CTest)
 list(APPEND CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/cmake/find")
 
diff --git a/pyproject.toml b/pyproject.toml
index 7cc79a7982..53e3babddc 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -28,7 +28,7 @@ dynamic = ["version", "description"]
 
 [project.optional-dependencies]
 docs = ["breathe~=4.35.0", "sphinx>=7.2.2,<8", "sphinx-tabs~=3.4.4", "sphinxcontrib-matlabdomain~=0.20.2", "sphinxcontrib-moderncmakedomain~=3.27.0", "furo==2023.08.19", "matplotlib"]
-debug = ["alpaqa-debug==1.0.0a20.dev0"]
+debug = ["alpaqa-debug==1.0.0a20"]
 test = ["pytest>=7.2.0,<7.5", "qpalm~=1.2.1", "scipy>=1.9.3,<1.12"]
 
 [project.urls]
diff --git a/python/alpaqa-debug/pyproject.toml b/python/alpaqa-debug/pyproject.toml
index 65a765d924..13736a9b24 100644
--- a/python/alpaqa-debug/pyproject.toml
+++ b/python/alpaqa-debug/pyproject.toml
@@ -6,8 +6,8 @@ license = { "file" = "../../LICENSE" }
 authors = [{ "name" = "Pieter P", "email" = "pieter.p.dev@outlook.com" }]
 keywords = []
 classifiers = []
-dependencies = ["alpaqa==1.0.0a20.dev0"]
-version = "1.0.0a20.dev0"
+dependencies = ["alpaqa==1.0.0a20"]
+version = "1.0.0a20"
 description = "Debug symbols for the alpaqa package."
 
 [project.urls]
diff --git a/python/alpaqa/__init__.py b/python/alpaqa/__init__.py
index c9c8493de8..bcdaf8b14d 100644
--- a/python/alpaqa/__init__.py
+++ b/python/alpaqa/__init__.py
@@ -1,7 +1,7 @@
 """
 Augmented Lagrangian and PANOC solvers for nonconvex numerical optimization.
 """
-__version__ = "1.0.0a20.dev0"
+__version__ = "1.0.0a20"
 
 from .alpaqa import *
 from .alpaqa import __c_version__
diff --git a/scripts/dev/install-locally.sh b/scripts/dev/install-locally.sh
index 4b12da8f0e..a81ec8b25b 100755
--- a/scripts/dev/install-locally.sh
+++ b/scripts/dev/install-locally.sh
@@ -60,8 +60,8 @@ else
         -C--cross="$pfx/$triple.py-build-cmake.cross.toml" \
         -C--local="$PWD/$config"
     pip install -f staging --force-reinstall --no-deps \
-        "alpaqa==1.0.0a20.dev0" "alpaqa-debug==1.0.0a20.dev0"
+        "alpaqa==1.0.0a20" "alpaqa-debug==1.0.0a20"
     pip install -f staging \
-        "alpaqa[test]==1.0.0a20.dev0" "alpaqa-debug==1.0.0a20.dev0"
+        "alpaqa[test]==1.0.0a20" "alpaqa-debug==1.0.0a20"
 fi
 pytest