diff --git a/.github/CHANGELOG.md b/.github/CHANGELOG.md
index f3195136..b6705923 100644
--- a/.github/CHANGELOG.md
+++ b/.github/CHANGELOG.md
@@ -1,3 +1,5 @@
+## Release 0.2.3 (development release)
+
 ## Release 0.2.2 (current release)
 
 ### New features since last release
diff --git a/include/jet/Version.hpp b/include/jet/Version.hpp
index 15ad0efc..99845d0c 100644
--- a/include/jet/Version.hpp
+++ b/include/jet/Version.hpp
@@ -11,7 +11,7 @@ constexpr size_t MAJOR_VERSION = 0;
 constexpr size_t MINOR_VERSION = 2;
 
 /// Patch version number of Jet.
-constexpr size_t PATCH_VERSION = 2;
+constexpr size_t PATCH_VERSION = 3;
 
 /**
  * @brief Returns the current Jet version.
@@ -23,6 +23,6 @@ std::string Version()
     const auto major = std::to_string(MAJOR_VERSION);
     const auto minor = std::to_string(MINOR_VERSION);
     const auto patch = std::to_string(PATCH_VERSION);
-    return major + "." + minor + "." + patch;
+    return major + "." + minor + "." + patch + "-dev";
 }
 } // namespace Jet
\ No newline at end of file
diff --git a/python/tests/test_version.py b/python/tests/test_version.py
index 9e1170f2..6ccbeea9 100644
--- a/python/tests/test_version.py
+++ b/python/tests/test_version.py
@@ -6,7 +6,7 @@
 class TestVersion:
     def test_attribute(self):
         """Tests that the version attribute has the correct form."""
-        semver_pattern = re.compile(r"^\d+\.\d+\.\d+$")
+        semver_pattern = re.compile(r"^\d+\.\d+\.\d+(-\S+)?$")
         assert semver_pattern.match(jet.__version__)
 
     def test_function(self):
diff --git a/setup.py b/setup.py
index abca8147..71e4e7b5 100644
--- a/setup.py
+++ b/setup.py
@@ -48,7 +48,7 @@ def build_extension(self, ext):
     major = re.search(r"MAJOR_VERSION\s*=\s*(\d+)", contents).group(1)
     minor = re.search(r"MINOR_VERSION\s*=\s*(\d+)", contents).group(1)
     patch = re.search(r"PATCH_VERSION\s*=\s*(\d+)", contents).group(1)
-    version = f"{major}.{minor}.{patch}"
+    version = f"{major}.{minor}.{patch}-dev"
 
 requirements = [
     # Necessary until https://github.com/numba/numba/issues/7176 is resolved.