diff --git a/.github/workflows/code-quality.yml b/.github/workflows/code-quality.yml
index d2a1859..34a2fb5 100644
--- a/.github/workflows/code-quality.yml
+++ b/.github/workflows/code-quality.yml
@@ -25,7 +25,7 @@ jobs:
         # tests/requirements.txt specifies a range. Also see
         # build_openassetio action.
         run: |
-          python -m pip install openassetio==1.0.0rc1.rev0
+          python -m pip install openassetio==1.0.2
           python -m pip install -r requirements.txt
           python -m pip install -r tests/requirements.txt
 
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 1234f25..789695b 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -17,8 +17,8 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: ['windows-2022', 'ubuntu-22.04', 'macos-15-intel']
-        python: ["3.10", "3.11"]
+        os: ['windows-2022', 'ubuntu-22.04', 'macos-15']
+        python: ["3.10", "3.11", "3.12"]
     steps:
       - uses: actions/checkout@v7
 
@@ -29,7 +29,7 @@ jobs:
       # tests/requirements.txt specifies a range. Also see
       # build_openassetio action.
       - run: |
-          python -m pip install openassetio==1.0.0rc1.rev0
+          python -m pip install openassetio==1.0.2
           python -m pip install -r tests/requirements.txt
           python -m pip install .
       - name: Test
diff --git a/RELEASE_NOTES.md b/RELEASE_NOTES.md
index 384f40a..f70fdbb 100644
--- a/RELEASE_NOTES.md
+++ b/RELEASE_NOTES.md
@@ -1,6 +1,15 @@
 Release Notes
 =============
 
+v1.0.0-alpha.14
+--------------
+
+### Bug fixes
+
+- Bumped `pyyaml` version from `6.0.0` to `6.0.3` since Conan restrictions
+  first added in v1.0.0-alpha.7 are no longer present and 6.0.0 is not
+  compatible with Python 3.12+.
+
 v1.0.0-alpha.13
 --------------
 
diff --git a/pyproject.toml b/pyproject.toml
index 41fe9d8..1e702ca 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -12,7 +12,7 @@ build-backend = "setuptools.build_meta"
 name = "openassetio-traitgen"
 version = "1.0.0a13"
 requires-python = ">=3.10"
-dependencies = ["jinja2==3.1.6", "pyyaml==6.0.0", "jsonschema==4.7.2"]
+dependencies = ["jinja2==3.1.6", "pyyaml==6.0.3", "jsonschema==4.7.2"]
 
 authors = [
     { name = "Contributors to the OpenAssetIO project", email = "openassetio-discussion@lists.aswf.io" }
diff --git a/requirements.txt b/requirements.txt
index a8be526..a622a82 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,5 +2,5 @@
 # This allows them to be collected/installed prior to build if
 # required.
 jinja2==3.1.6
-pyyaml==6.0.0  # We are currently constrained to pyyaml=6.0.0 exactly due to conan 1.60.1
+pyyaml==6.0.3
 jsonschema==4.7.2
diff --git a/tests/ctest-requirements.txt b/tests/ctest-requirements.txt
index ce9fb42..3601352 100644
--- a/tests/ctest-requirements.txt
+++ b/tests/ctest-requirements.txt
@@ -1,5 +1,5 @@
 cmake==3.25.2  # Configure/build C++ tests
-conan==1.60.1  # Install dependencies for C++ tests.
+conan==1.62.0  # Install dependencies for C++ tests.
 cmakelang==0.6.13  # Lint CMake
 cpplint==1.6.1  # Basic linting of C++ files.
 clang-tidy==15.0.2.1  # Static analysis of C++ files
diff --git a/tests/generators/test_cpp.py b/tests/generators/test_cpp.py
index 937c555..d936a98 100644
--- a/tests/generators/test_cpp.py
+++ b/tests/generators/test_cpp.py
@@ -841,7 +841,7 @@ def fn(
             (function_definition
                 declarator: (
                     function_declarator
-                    declarator: (field_identifier) @func_name (eq? @func_name "{func}")
+                    declarator: (field_identifier) @func_name (#eq? @func_name "{func}")
                 ) @func_decl
             )
             )""")
@@ -867,7 +867,7 @@ def fn(
         query = cpp_language.query("""(parameter_list (
                    parameter_declaration declarator: (
                        reference_declarator (identifier) @var_name
-                       (eq? @var_name "defaultValue") )))""")
+                       (#eq? @var_name "defaultValue") )))""")
 
         first_has_default = bool(query.captures(first_decl))
         second_has_default = bool(query.captures(second_decl))
diff --git a/tests/requirements.txt b/tests/requirements.txt
index 3927e63..ffa1254 100644
--- a/tests/requirements.txt
+++ b/tests/requirements.txt
@@ -1,9 +1,9 @@
 pytest==9.0.3
-pyyaml==6.0.0  # We are currently constrained to pyyaml=6.0.0 exactly due to conan 1.60.1
+pyyaml==6.0.3
 pylint==2.15.5  # Guard against warn/error changes
 jsonschema==4.7.2
-tree-sitter==0.20.1  # For parsing C++ AST to assert on comment text.
-tree-sitter-languages==1.5.0
+tree-sitter==0.21.3  # For parsing C++ AST to assert on comment text.
+tree-sitter-languages==1.10.2
 # Do not pin openassetio to a specific version, so that pip will not
 # complain when testing against future openassetio versions (e.g.
 # OpenAssetIO integration test CI).