diff --git a/.github/workflows/build_executable.yml b/.github/workflows/build_executable.yml
index 7f0bb34f..716130a0 100644
--- a/.github/workflows/build_executable.yml
+++ b/.github/workflows/build_executable.yml
@@ -1,4 +1,4 @@
-name: Build native gdbgui executables
+name: Build native gdbgui executables with pyinstaller and pex
 
 on:
   pull_request:
@@ -13,7 +13,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest]
-        python-version: [3.9]
+        python-version: ["3.10"]
         include:
           - os: ubuntu-latest
             buildname: linux
@@ -33,7 +33,7 @@ jobs:
           python -m pip install nox
       - name: Compile ${{ matrix.buildname }} gdbgui executable
         run: |
-          nox --non-interactive --session build_executable_${{ matrix.buildname }}
+          nox --non-interactive --session build_executables_${{ matrix.buildname }}
       - name: Upload ${{ matrix.buildname }} executable
         # if: github.ref == 'refs/heads/master'
         uses: actions/upload-artifact@v2
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index ba95a89a..5cf9e493 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -15,7 +15,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        python-version: [3.9]
+        python-version: ["3.10"]
 
     steps:
       - uses: actions/checkout@v2
@@ -39,7 +39,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        python-version: [3.9]
+        python-version: ["3.10"]
 
     steps:
       - uses: actions/checkout@v2
@@ -78,7 +78,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v2
         with:
-          python-version: 3.9
+          python-version: "3.10"
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 911c29a8..5dcb2db8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,7 @@
 
 - Compatibility with Werkzeug 2.1. Use the eventlet server instead of
   the Werkzeug development server.
+- Use pinned requirements instead of abstract requirements to ensure reproducability of pip installs
 
 ## 0.15.0.1
 
diff --git a/MANIFEST.in b/MANIFEST.in
index c07510d1..d87b9bcf 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,6 +1,6 @@
 include README.md
 include LICENSE
-include requirements.in
+include requirements.txt
 
 graft gdbgui
 # these files are built and must be included in distribution
@@ -30,7 +30,7 @@ exclude jest.config.js
 exclude make_executable.py
 exclude mkdocs.yml
 exclude package.json
-exclude requirements.txt
+exclude requirements.in
 exclude tsconfig.json
 exclude tslint.json
 exclude webpack.config.js
diff --git a/gdbgui/VERSION.txt b/gdbgui/VERSION.txt
index 41db6aa6..dd35abbb 100644
--- a/gdbgui/VERSION.txt
+++ b/gdbgui/VERSION.txt
@@ -1 +1 @@
-0.15.0.1
+0.15.1.0
diff --git a/make_executable.py b/make_executable.py
index 4d548152..d8a0cdaf 100644
--- a/make_executable.py
+++ b/make_executable.py
@@ -95,9 +95,8 @@ def main():
             spec_path,
             "--distpath",
             distpath,
-            "--key",
-            "a5s1fe65aw41f54sa64v6b4ds98fhea98rhg4etj4et78ku4yu87mn",
-        ]
+        ],
+        check=True,
     )
     verify(binary_path, __version__)
     generate_md5(binary_path, distpath / f"{binary_name}.md5")
diff --git a/noxfile.py b/noxfile.py
index 5541dc10..4414a8cf 100644
--- a/noxfile.py
+++ b/noxfile.py
@@ -8,7 +8,7 @@
 
 nox.options.reuse_existing_virtualenvs = True
 nox.options.sessions = ["tests", "lint", "docs"]
-python = ["3.9"]
+python = ["3.10"]
 
 prettier_command = [
     "npx",
@@ -22,7 +22,7 @@
 
 doc_dependencies = [".", "mkdocs", "mkdocs-material"]
 lint_dependencies = [
-    "black==21.12b0",
+    "black==22.3.0",
     "vulture",
     "flake8",
     "mypy==0.782",
@@ -129,6 +129,7 @@ def serve(session):
 
 @nox.session(reuse_venv=True)
 def build(session):
+    """Build python distribution (sdist and wheels)"""
     session.install(*publish_deps)
     session.run("rm", "-rf", "dist", "build", external=True)
     session.run("yarn", external=True)
@@ -136,6 +137,7 @@ def build(session):
     session.run("python", "setup.py", "--quiet", "sdist", "bdist_wheel")
     session.run("twine", "check", "dist/*")
     for built_package in glob.glob("dist/*"):
+        # ensure we can install the built distributions
         session.run("pip", "install", "--force-reinstall", built_package)
 
 
@@ -160,49 +162,51 @@ def publish_docs(session):
     session.run("mkdocs", "gh-deploy")
 
 
-@nox.session(reuse_venv=True)
-def build_executable_current_platform(session):
+@nox.session(reuse_venv=True, python="3.10")
+def build_executables_current_platform(session):
     session.run("yarn", "install", external=True)
     session.run("yarn", "build", external=True)
-    session.install(".", "PyInstaller>=4.5, <4.6")
+    session.install(".", "PyInstaller==5.1")
     session.run("python", "make_executable.py")
     session.notify("build_pex")
 
 
 @nox.session(reuse_venv=True)
-def build_executable_mac(session):
+def build_executables_mac(session):
     if not platform.startswith("darwin"):
         raise Exception(f"Unexpected platform {platform}")
-    session.notify("build_executable_current_platform")
+    session.notify("build_executables_current_platform")
 
 
 @nox.session(reuse_venv=True)
-def build_executable_linux(session):
+def build_executables_linux(session):
     if not platform.startswith("linux"):
         raise Exception(f"Unexpected platform {platform}")
-    session.notify("build_executable_current_platform")
+    session.notify("build_executables_current_platform")
 
 
 @nox.session(reuse_venv=True)
 def build_executable_windows(session):
     if not platform.startswith("win32"):
         raise Exception(f"Unexpected platform {platform}")
-    session.notify("build_executable_current_platform")
+    session.notify("build_executables_current_platform")
 
 
-@nox.session(python=python)
+@nox.session
 def build_pex(session):
     """Builds a pex of gdbgui"""
     # NOTE: frontend must be built before running this
-    session.install("pex==2.1.45")
+    session.install("pex==2.1.93")
     pex_path = Path("build/executable/gdbgui.pex")
     session.run(
         "pex",
         ".",
-        "-c",
+        "--console-script",
         "gdbgui",
-        "-o",
+        "--output-file",
         str(pex_path),
+        "--sh-boot",
+        "--validate-entry-point",
         external=True,
     )
     checksum = hashlib.md5(pex_path.read_bytes()).hexdigest()
diff --git a/setup.py b/setup.py
index 2f168b8a..09c75116 100644
--- a/setup.py
+++ b/setup.py
@@ -60,7 +60,7 @@
     },
     zip_safe=False,
     install_requires=distutils.text_file.TextFile(
-        filename="./requirements.in"
+        filename="./requirements.txt"
     ).readlines(),
     classifiers=[
         "Intended Audience :: Developers",