diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9bb3839..735db59 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 <!--next-version-placeholder-->
 
+## v0.5.0 (2022-12-05)
+### Feature
+* Adding ResolutionProver.extend_knowledge method to add knowledge to the prover later ([`d21dd91`](https://github.com/chanind/tensor-theorem-prover/commit/d21dd911f994abb69fe7d19a2c8e143dcc3192fe))
+
 ## v0.4.0 (2022-10-27)
 ### Feature
 * Adding similarity cache to speed up similarity calculations ([`5bd8c13`](https://github.com/chanind/tensor-theorem-prover/commit/5bd8c1386410d2b4bf04b59c999c4a83e3abd69b))
diff --git a/pyproject.toml b/pyproject.toml
index 279fe2b..b5a7196 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "tensor-theorem-prover"
-version = "0.4.0"
+version = "0.5.0"
 description = "Customizable first-order logic theorem prover supporting approximate vector similarity in unification"
 license = "MIT"
 readme = "README.md"
diff --git a/tensor_theorem_prover/__init__.py b/tensor_theorem_prover/__init__.py
index 90fa66e..41fd302 100644
--- a/tensor_theorem_prover/__init__.py
+++ b/tensor_theorem_prover/__init__.py
@@ -1,4 +1,4 @@
-__version__ = "0.4.0"
+__version__ = "0.5.0"
 
 from .prover.ResolutionProver import ResolutionProver