:arrow_down:  limit dep version
diff --git a/4-governance/dubbo-samples-metrics-prometheus/case-versions.conf b/4-governance/dubbo-samples-metrics-prometheus/case-versions.conf
index d9a7863..15fdeb0 100644
--- a/4-governance/dubbo-samples-metrics-prometheus/case-versions.conf
+++ b/4-governance/dubbo-samples-metrics-prometheus/case-versions.conf
@@ -20,6 +20,6 @@
 # Supported component versions of the test case
 
 # Spring app
-dubbo.version=[ =3.2.0 ]
+dubbo.version=3.2.0
 spring.version=4.*, 5.*
 java.version= [<= 11]
diff --git a/4-governance/dubbo-samples-metrics-spring-boot/case-versions.conf b/4-governance/dubbo-samples-metrics-spring-boot/case-versions.conf
index 5b80ea8..f9b0baa 100644
--- a/4-governance/dubbo-samples-metrics-spring-boot/case-versions.conf
+++ b/4-governance/dubbo-samples-metrics-spring-boot/case-versions.conf
@@ -20,6 +20,6 @@
 # Supported component versions of the test case
 
 # Spring app
-dubbo.version=[ =3.2.0 ]
+dubbo.version=3.2.0
 spring.version=5.*
 java.version= [<= 11]