diff --git a/src/openqaoa-core/requirements_test.txt b/src/openqaoa-core/requirements_test.txt
index 9ca19d8a..8fbde360 100644
--- a/src/openqaoa-core/requirements_test.txt
+++ b/src/openqaoa-core/requirements_test.txt
@@ -4,4 +4,4 @@ pytest-cov>=3.0.0
 nbconvert>=6.5.1
 pandas>=1.4.3
 plotly>=5.9.0
-cplex>=22.1.0.0
\ No newline at end of file
+# cplex>=22.1.0.0
\ No newline at end of file