diff --git a/.github/workflows/pytest.yaml b/.github/workflows/pytest.yaml
index f0a19e19..369de572 100644
--- a/.github/workflows/pytest.yaml
+++ b/.github/workflows/pytest.yaml
@@ -2,7 +2,7 @@ name: Unit tests
 
 on:
   push:
-    branches: ["master", "vberenz-ci"]
+    branches: ["master"]
   pull_request:
 
 jobs:
@@ -11,9 +11,8 @@ jobs:
     steps:
       - uses: actions/checkout@v3
       - name: Set up Python
-        uses: actions/setup-python@v3
+        uses: actions/setup-python@v4
         with:
-          python-version-file: '.python-version'
           cache: 'pip'
       - name: Install dependencies
         run: |
diff --git a/.python-version b/.python-version
deleted file mode 100644
index a02597f4..00000000
--- a/.python-version
+++ /dev/null
@@ -1 +0,0 @@
-3.9
\ No newline at end of file
diff --git a/README.md b/README.md
index 6220bac0..5d24f743 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@
 ![code coverage](https://raw.githubusercontent.com/VincentStimper/normalizing-flows/coverage-badge/coverage.svg?raw=true)
 [![License: MIT](https://img.shields.io/badge/Licence-MIT-b31b1b.svg)](https://opensource.org/licenses/MIT)
 [![DOI](https://joss.theoj.org/papers/10.21105/joss.05361/status.svg)](https://doi.org/10.21105/joss.05361)
-[![PyPI](https://img.shields.io/badge/PyPI-1.7.2-blue.svg)](https://pypi.org/project/normflows/)
+[![PyPI](https://img.shields.io/badge/PyPI-1.7.3-blue.svg)](https://pypi.org/project/normflows/)
 [![Downloads](https://static.pepy.tech/personalized-badge/normflows?period=total&units=international_system&left_color=grey&right_color=orange&left_text=Downloads)](https://pepy.tech/project/normflows)
 
 
@@ -211,18 +211,24 @@ The package has been used in several research papers. Some of them are listed be
 > 
 > [Code available on GitHub.](https://github.com/VincentStimper/hmc-hyperparameter-tuning)
 
-> Vincent Stimper, Bernhard Schölkopf, José Miguel Hernández-Lobato. 
+> Vincent Stimper, Bernhard Schölkopf, and José Miguel Hernández-Lobato. 
 > [Resampling Base Distributions of Normalizing Flows](https://proceedings.mlr.press/v151/stimper22a). 
 > In Proceedings of The 25th International Conference on Artificial Intelligence and Statistics, volume 151, pp. 4915–4936, 2022.
 > 
 > [Code available on GitHub.](https://github.com/VincentStimper/resampled-base-flows)
 
-> Laurence I. Midgley, Vincent Stimper, Gregor N. C. Simm, Bernhard Schölkopf, José Miguel Hernández-Lobato. 
+> Laurence I. Midgley, Vincent Stimper, Gregor N. C. Simm, Bernhard Schölkopf, and José Miguel Hernández-Lobato. 
 > [Flow Annealed Importance Sampling Bootstrap](https://arxiv.org/abs/2208.01893). 
 > The Eleventh International Conference on Learning Representations, 2023.
 > 
 > [Code available on GitHub.](https://github.com/lollcat/fab-torch)
 
+> Arnau Quera-Bofarull, Joel Dyer, Anisoara Calinescu, J. Doyne Farmer, and Michael Wooldridge.
+> [BlackBIRDS: Black-Box Inference foR Differentiable Simulators](https://joss.theoj.org/papers/10.21105/joss.05776).
+> Journal of Open Source Software, 8(89), 5776, 2023.
+> 
+> [Code available on GitHub.](https://github.com/arnauqb/blackbirds)
+
 Moreover, the [`boltzgen`](https://github.com/VincentStimper/boltzmann-generators) package
 has been build upon `normflows`.
 
diff --git a/normflows/__init__.py b/normflows/__init__.py
index 699df685..58eccf76 100644
--- a/normflows/__init__.py
+++ b/normflows/__init__.py
@@ -11,4 +11,4 @@
 from . import sampling
 from .sampling import HAIS
 
-__version__ = "1.7.2"
+__version__ = "1.7.3"
diff --git a/setup.py b/setup.py
index 1e2d3fc7..561a217b 100755
--- a/setup.py
+++ b/setup.py
@@ -2,7 +2,7 @@
 from codecs import open
 from os import path
 
-__version__ = "1.7.2"
+__version__ = "1.7.3"
 
 here = path.abspath(path.dirname(__file__))