diff --git a/pykwasm/poetry.lock b/pykwasm/poetry.lock
index ef84fa396..65363e795 100644
--- a/pykwasm/poetry.lock
+++ b/pykwasm/poetry.lock
@@ -909,7 +909,7 @@ windows-terminal = ["colorama (>=0.4.6)"]
 
 [[package]]
 name = "pyk"
-version = "0.1.602"
+version = "0.1.603"
 description = ""
 category = "main"
 optional = false
@@ -931,8 +931,8 @@ xdg-base-dirs = "^6.0.1"
 [package.source]
 type = "git"
 url = "https://github.com/runtimeverification/pyk.git"
-reference = "v0.1.602"
-resolved_reference = "7f750174f7a72f2cdfd0ddec8b7aae686b3ffc7d"
+reference = "v0.1.603"
+resolved_reference = "bda71f502ba50011978d4dd0ef665b051a20af90"
 
 [[package]]
 name = "pyperclip"
@@ -1172,4 +1172,4 @@ testing = ["big-O", "jaraco.functools", "jaraco.itertools", "more-itertools", "p
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.10"
-content-hash = "b78dcc2864ba696722a71a3810586fcceca46eda2125829afba62d39e006e179"
+content-hash = "ff05d47abd9960758c9a203719446c150cb41c94970c7bd3d252126e917cda7a"
diff --git a/pykwasm/pyproject.toml b/pykwasm/pyproject.toml
index 10d050cfa..1c55f8bbb 100644
--- a/pykwasm/pyproject.toml
+++ b/pykwasm/pyproject.toml
@@ -14,7 +14,7 @@ authors = [
 python = "^3.10"
 cytoolz = "^0.12.1"
 numpy = "^1.24.2"
-pyk = { git = "https://github.com/runtimeverification/pyk.git", tag="v0.1.602" }
+pyk = { git = "https://github.com/runtimeverification/pyk.git", tag="v0.1.603" }
 py-wasm = {url = "https://github.com/runtimeverification/py-wasm/archive/refs/tags/0.2.0.tar.gz"}
 
 [tool.poetry.group.dev.dependencies]