diff --git a/poetry.lock b/poetry.lock
index f2ec050c1..076c621ef 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -749,7 +749,7 @@ windows-terminal = ["colorama (>=0.4.6)"]
 
 [[package]]
 name = "pyk"
-version = "0.1.603"
+version = "0.1.604"
 description = ""
 optional = false
 python-versions = "^3.10"
@@ -770,8 +770,8 @@ xdg-base-dirs = "^6.0.1"
 [package.source]
 type = "git"
 url = "https://github.com/runtimeverification/pyk.git"
-reference = "v0.1.603"
-resolved_reference = "bda71f502ba50011978d4dd0ef665b051a20af90"
+reference = "v0.1.604"
+resolved_reference = "ac44eb6918ba9abf0d0d3b81d3025293fa620c62"
 
 [[package]]
 name = "pyperclip"
@@ -1113,4 +1113,4 @@ testing = ["big-O", "jaraco.functools", "jaraco.itertools", "more-itertools", "p
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.10"
-content-hash = "402f5b68433b33ef44ba6c385788f6609c68dd877f2695c1face65ecec87e8c7"
+content-hash = "d1051dbc4d85cbcd9ed527db902fbe3bc4eae641fc11be25792e13fa350280d4"
diff --git a/pyproject.toml b/pyproject.toml
index 05fe0b3ea..69cac237f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -15,7 +15,7 @@ readme = "README.md"
 [tool.poetry.dependencies]
 python = "^3.10"
 pyyaml = "^6.0"
-pyk = { git = "https://github.com/runtimeverification/pyk.git", tag = "v0.1.603" }
+pyk = { git = "https://github.com/runtimeverification/pyk.git", tag = "v0.1.604" }
 schema = "^0.7.5"
 z3-solver = "^4.12.1.0"
 lark = "^1.1.5"