diff --git a/.github/workflows/constraints.txt b/.github/workflows/constraints.txt
deleted file mode 100644
index 4f796a4..0000000
--- a/.github/workflows/constraints.txt
+++ /dev/null
@@ -1,5 +0,0 @@
-nox==2022.11.21
-nox-poetry==1.0.3
-pip==24.0
-poetry==1.8.2
-virtualenv==20.25.1
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index d902b16..026d627 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -42,7 +42,7 @@ jobs:
 
       - name: Upgrade pip
         run: |
-          pip install --constraint=.github/workflows/constraints.txt pip
+          pip install pip
           pip --version
 
       - name: Upgrade pip in virtual environments
@@ -56,13 +56,13 @@ jobs:
 
       - name: Install Poetry
         run: |
-          pipx install --pip-args=--constraint=.github/workflows/constraints.txt poetry
+          pipx install poetry
           poetry --version
 
       - name: Install Nox
         run: |
-          pipx install --pip-args=--constraint=.github/workflows/constraints.txt nox
-          pipx inject --pip-args=--constraint=.github/workflows/constraints.txt nox nox-poetry
+          pipx install nox
+          pipx inject nox nox-poetry
           nox --version
 
       - name: Compute pre-commit cache key
@@ -121,18 +121,18 @@ jobs:
 
       - name: Upgrade pip
         run: |
-          pip install --constraint=.github/workflows/constraints.txt pip
+          pip install pip
           pip --version
 
       - name: Install Poetry
         run: |
-          pipx install --pip-args=--constraint=.github/workflows/constraints.txt poetry
+          pipx install poetry
           poetry --version
 
       - name: Install Nox
         run: |
-          pipx install --pip-args=--constraint=.github/workflows/constraints.txt nox
-          pipx inject --pip-args=--constraint=.github/workflows/constraints.txt nox nox-poetry
+          pipx install nox
+          pipx inject nox nox-poetry
           nox --version
 
       - name: Download coverage data
diff --git a/pyproject.toml b/pyproject.toml
index ce08cee..7944106 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "py21cmEMU"
-version = "1.1.1"
+version = "1.1.2"
 description = "Emulator of 21cmFAST summaries."
 authors = ["Daniela Breitman <daniela.breitman@sns.it>"]
 license = "MIT"
@@ -34,7 +34,7 @@ python = ">=3.8,<3.12"
 click = ">=8.0.1"
 numpy = "^1.22.0"
 scipy = "^1.10.1"
-tensorflow = "^2.6.0"
+tensorflow = ">=2.4.0, <= 2.14.0"
 appdirs = "^1.4.4"
 toml = "^0.10.2"
 GitPython = "^3.1.31"