diff --git a/.github/workflows/build_docs.yml b/.github/workflows/build_docs.yml
index 43e7d988e..34ccb2e3d 100644
--- a/.github/workflows/build_docs.yml
+++ b/.github/workflows/build_docs.yml
@@ -13,7 +13,7 @@ concurrency:
 
 jobs:
   build-docs-and-publish:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     permissions:
       contents: write
     steps:
diff --git a/bayes_opt/acquisition.py b/bayes_opt/acquisition.py
index e17846758..e6b46bd1a 100644
--- a/bayes_opt/acquisition.py
+++ b/bayes_opt/acquisition.py
@@ -300,7 +300,7 @@ def _l_bfgs_b_minimize(
                 continue
 
             # Store it if better than previous minimum(maximum).
-            if min_acq is None or np.squeeze(res.fun) >= min_acq:
+            if min_acq is None or np.squeeze(res.fun) <= min_acq:
                 x_min = res.x
                 min_acq = np.squeeze(res.fun)
 
diff --git a/pyproject.toml b/pyproject.toml
index e782e08cf..e213df75f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "bayesian-optimization"
-version = "2.0.3"
+version = "2.0.4"
 description = "Bayesian Optimization package"
 authors = ["Fernando Nogueira"]
 license = "MIT"
diff --git a/tests/test_constraint.py b/tests/test_constraint.py
index 495dc9d17..645ad8fe4 100644
--- a/tests/test_constraint.py
+++ b/tests/test_constraint.py
@@ -89,9 +89,9 @@ def test_single_constraint_lower_upper(target_function, constraint_function):
     y = res[:, 3]
 
     # Check accuracy of approximation for sampled points
-    assert constraint_function(x, y) == pytest.approx(optimizer.constraint.approx(xy), rel=1e-5, abs=1e-5)
+    assert constraint_function(x, y) == pytest.approx(optimizer.constraint.approx(xy), rel=1e-4, abs=1e-4)
     assert constraint_function(x, y) == pytest.approx(
-        optimizer.space.constraint_values[:-1], rel=1e-5, abs=1e-5
+        optimizer.space.constraint_values[:-1], rel=1e-4, abs=1e-4
     )