diff --git a/pyproject.toml b/pyproject.toml
index 56189bee..9afa3bfe 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -62,7 +62,7 @@ allow-ambiguous-features = true
 
 [project.optional-dependencies]
 pulser = [
-    "pulser-core==1.1.1",
+    "pulser-core==1.2.0",
     "pulser-simulation==1.1.1",
     "pasqal-cloud==0.12.6",
 ]