diff --git a/requirements.txt b/requirements.txt
index 7c90220568d4..1c1b0da48a4c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,10 @@ sympy>=1.3
 dill>=0.3
 python-dateutil>=2.8.0
 stevedore>=3.0.0
-symengine>=0.9 ; platform_machine == 'x86_64' or platform_machine == 'aarch64' or platform_machine == 'ppc64le' or platform_machine == 'amd64' or platform_machine == 'arm64'
+# symengine pinning needed due lowered precision handling complex
+# multiplication in version 0.10 wich breaks parameter assignment test
+# (can be removed once issue is fix)
+symengine>=0.9, <0.10; platform_machine == 'x86_64' or platform_machine == 'aarch64' or platform_machine == 'ppc64le' or platform_machine == 'amd64' or platform_machine == 'arm64'
 shared-memory38;python_version<'3.8'
 typing-extensions; python_version < '3.8'
 singledispatchmethod; python_version < '3.8'