diff --git a/CHANGELOG.md b/CHANGELOG.md
index 744ea4a..e937948 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+### 0.3.1 - 2023-09-06
+- Hypothesis >= 6.89.0 made some internal changes which broke our `from_grammar()`.
+  This patch restores compatibility, and requires the new Hypothesis.
+
 ### 0.3.0 - 2023-09-06
 - Even more efficient generation of Python identifiers, using
   [Hypothesis 6.84.1](https://hypothesis.readthedocs.io/en/latest/changes.html#v6-84-1)
diff --git a/deps/check.txt b/deps/check.txt
index 4bbec9c..a6bbd59 100644
--- a/deps/check.txt
+++ b/deps/check.txt
@@ -12,7 +12,7 @@ autoflake==2.2.1
     # via shed
 bandit==1.7.5
     # via flake8-bandit
-black==23.7.0
+black==23.11.0
     # via shed
 click==8.1.7
     # via black
@@ -29,21 +29,21 @@ flake8==6.1.0
     #   flake8-docstrings
 flake8-bandit==4.1.1
     # via -r deps/check.in
-flake8-bugbear==23.7.10
+flake8-bugbear==23.9.16
     # via -r deps/check.in
 flake8-comprehensions==3.14.0
     # via -r deps/check.in
 flake8-docstrings==1.7.0
     # via -r deps/check.in
-gitdb==4.0.10
+gitdb==4.0.11
     # via gitpython
-gitpython==3.1.34
+gitpython==3.1.40
     # via bandit
-hypothesis==6.84.1
+hypothesis==6.89.0
     # via -r deps/check.in
 isort==5.12.0
     # via shed
-libcst==1.0.1
+libcst==1.1.0
     # via shed
 markdown-it-py==3.0.0
     # via rich
@@ -51,22 +51,22 @@ mccabe==0.7.0
     # via flake8
 mdurl==0.1.2
     # via markdown-it-py
-mypy==1.5.1
+mypy==1.7.0
     # via -r deps/check.in
 mypy-extensions==1.0.0
     # via
     #   black
     #   mypy
     #   typing-inspect
-packaging==23.1
+packaging==23.2
     # via black
 pathspec==0.11.2
     # via black
-pbr==5.11.1
+pbr==6.0.0
     # via stevedore
-platformdirs==3.10.0
+platformdirs==4.0.0
     # via black
-pycodestyle==2.11.0
+pycodestyle==2.11.1
     # via flake8
 pydocstyle==6.3.0
     # via flake8-docstrings
@@ -76,17 +76,17 @@ pyflakes==3.1.0
     #   flake8
 pygments==2.16.1
     # via rich
-pyupgrade==3.10.1
+pyupgrade==3.15.0
     # via shed
 pyyaml==6.0.1
     # via
     #   bandit
     #   libcst
-rich==13.5.2
+rich==13.7.0
     # via bandit
 shed==2023.6.1
     # via -r deps/check.in
-smmap==5.0.0
+smmap==5.0.1
     # via gitdb
 snowballstemmer==2.2.0
     # via pydocstyle
@@ -101,8 +101,9 @@ tomli==2.0.1
     #   autoflake
     #   black
     #   mypy
-typing-extensions==4.7.1
+typing-extensions==4.8.0
     # via
+    #   black
     #   libcst
     #   mypy
     #   typing-inspect
diff --git a/deps/test.txt b/deps/test.txt
index 02bbbfe..abf3168 100644
--- a/deps/test.txt
+++ b/deps/test.txt
@@ -6,11 +6,11 @@
 #
 attrs==23.1.0
     # via hypothesis
-black==23.7.0
+black==23.11.0
     # via -r deps/test.in
 click==8.1.7
     # via black
-coverage[toml]==7.3.0
+coverage[toml]==7.3.2
     # via pytest-cov
 exceptiongroup==1.1.3
     # via
@@ -18,19 +18,19 @@ exceptiongroup==1.1.3
     #   pytest
 execnet==2.0.2
     # via pytest-xdist
-hypothesis[lark]==6.84.1
+hypothesis[lark]==6.89.0
     # via hypothesmith (setup.py)
 iniconfig==2.0.0
     # via pytest
-lark==1.1.7
+lark==1.1.8
     # via hypothesis
-libcst==1.0.1
+libcst==1.1.0
     # via hypothesmith (setup.py)
 mypy-extensions==1.0.0
     # via
     #   black
     #   typing-inspect
-packaging==23.1
+packaging==23.2
     # via
     #   black
     #   pytest
@@ -38,18 +38,18 @@ parso==0.8.3
     # via -r deps/test.in
 pathspec==0.11.2
     # via black
-platformdirs==3.10.0
+platformdirs==4.0.0
     # via black
 pluggy==1.3.0
     # via pytest
-pytest==7.4.1
+pytest==7.4.3
     # via
     #   -r deps/test.in
     #   pytest-cov
     #   pytest-xdist
 pytest-cov==4.1.0
     # via -r deps/test.in
-pytest-xdist==3.3.1
+pytest-xdist==3.4.0
     # via -r deps/test.in
 pyyaml==6.0.1
     # via libcst
@@ -60,8 +60,9 @@ tomli==2.0.1
     #   black
     #   coverage
     #   pytest
-typing-extensions==4.7.1
+typing-extensions==4.8.0
     # via
+    #   black
     #   libcst
     #   typing-inspect
 typing-inspect==0.9.0
diff --git a/src/hypothesmith/__init__.py b/src/hypothesmith/__init__.py
index 8dfbacd..3d06754 100644
--- a/src/hypothesmith/__init__.py
+++ b/src/hypothesmith/__init__.py
@@ -3,5 +3,5 @@
 from hypothesmith.cst import from_node
 from hypothesmith.syntactic import from_grammar
 
-__version__ = "0.3.0"
+__version__ = "0.3.1"
 __all__ = ["from_grammar", "from_node"]
diff --git a/src/hypothesmith/syntactic.py b/src/hypothesmith/syntactic.py
index f01f6ad..654d8e7 100644
--- a/src/hypothesmith/syntactic.py
+++ b/src/hypothesmith/syntactic.py
@@ -80,12 +80,12 @@ def do_draw(self, data):  # type: ignore
         return result
 
     def draw_symbol(self, data, symbol, draw_state):  # type: ignore
-        count = len(draw_state.result)
+        count = len(draw_state)
         super().draw_symbol(data, symbol, draw_state)
         if symbol.name in COMPILE_MODES:
             try:
                 compile(
-                    source="".join(draw_state.result[count:]),
+                    source="".join(draw_state[count:]),
                     filename="<string>",
                     mode=COMPILE_MODES[symbol.name],
                 )
@@ -108,7 +108,7 @@ def draw_symbol(self, data, symbol, draw_state):  # type: ignore
                     # Or the new https://bugs.python.org/issue45738 which makes me
                     # wish CPython would start running proptests in CI already.
                     assume(False)
-                source_code = ascii("".join(draw_state.result[count:]))
+                source_code = ascii("".join(draw_state[count:]))
                 raise type(err)(
                     f"compile({source_code}, '<string>', "
                     f"{COMPILE_MODES[symbol.name]!r}) "