diff --git a/go.mod b/go.mod
index 194ea42f40..2a99b2b763 100644
--- a/go.mod
+++ b/go.mod
@@ -3,7 +3,7 @@ module github.com/argoproj/argo-rollouts
 go 1.20
 
 require (
-	github.com/antonmedv/expr v1.13.0
+	github.com/antonmedv/expr v1.15.0
 	github.com/argoproj/notifications-engine v0.4.1-0.20230712163936-39dfcb66f902
 	github.com/argoproj/pkg v0.13.6
 	github.com/aws/aws-sdk-go-v2 v1.21.0
diff --git a/go.sum b/go.sum
index 391f548a45..a287a84606 100644
--- a/go.sum
+++ b/go.sum
@@ -91,8 +91,8 @@ github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRF
 github.com/alecthomas/units v0.0.0-20190717042225-c3de453c63f4/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
 github.com/alecthomas/units v0.0.0-20190924025748-f65c72e2690d/go.mod h1:rBZYJk541a8SKzHPHnH3zbiI+7dagKZ0cgpgrD7Fyho=
 github.com/antihax/optional v1.0.0/go.mod h1:uupD/76wgC+ih3iEmQUL+0Ugr19nfwCT1kdvxnR2qWY=
-github.com/antonmedv/expr v1.13.0 h1:8YrTtlCzlOtXw+hpeCLDLL2uo0C0k6jmYpYTGws5c5w=
-github.com/antonmedv/expr v1.13.0/go.mod h1:FPC8iWArxls7axbVLsW+kpg1mz29A1b2M6jt+hZfDkU=
+github.com/antonmedv/expr v1.15.0 h1:sBHNMx1i+b1lZfkBFGhicvSLW6RLnca3R0B7jWrk8iM=
+github.com/antonmedv/expr v1.15.0/go.mod h1:0E/6TxnOlRNp81GMzX9QfDPAmHo2Phg00y4JUv1ihsE=
 github.com/appscode/go v0.0.0-20191119085241-0887d8ec2ecc/go.mod h1:OawnOmAL4ZX3YaPdN+8HTNwBveT1jMsqP74moa9XUbE=
 github.com/argoproj/notifications-engine v0.4.1-0.20230712163936-39dfcb66f902 h1:JnW6RNwSxFwf4qQf3d6n+LhTODzmrLpDx2mQMPYzKf8=
 github.com/argoproj/notifications-engine v0.4.1-0.20230712163936-39dfcb66f902/go.mod h1:W//xreL6/AGmJdh6SyvmJhOZ1VweW6DBm8qSBx7NO1M=
diff --git a/metricproviders/prometheus/prometheus_test.go b/metricproviders/prometheus/prometheus_test.go
index 8b077930a5..ea7c3e1eb8 100644
--- a/metricproviders/prometheus/prometheus_test.go
+++ b/metricproviders/prometheus/prometheus_test.go
@@ -400,7 +400,7 @@ func TestProcessVectorResponse(t *testing.T) {
 		logCtx: *logCtx,
 	}
 	metric := v1alpha1.Metric{
-		SuccessCondition: "10 in result",
+		SuccessCondition: "float(10) in result",
 		FailureCondition: "len(result) != 2",
 	}
 
diff --git a/metricproviders/wavefront/wavefront_test.go b/metricproviders/wavefront/wavefront_test.go
index af8bd53e7f..a7d2ae9fec 100644
--- a/metricproviders/wavefront/wavefront_test.go
+++ b/metricproviders/wavefront/wavefront_test.go
@@ -176,7 +176,7 @@ func TestProcessMultipleTimeseriesResponse(t *testing.T) {
 		logCtx: *logCtx,
 	}
 	metric := v1alpha1.Metric{
-		SuccessCondition: "10 in result",
+		SuccessCondition: "float(10) in result",
 		FailureCondition: "len(result) != 2",
 	}
 
diff --git a/utils/evaluate/evaluate_test.go b/utils/evaluate/evaluate_test.go
index e058d2aa4b..913528238b 100644
--- a/utils/evaluate/evaluate_test.go
+++ b/utils/evaluate/evaluate_test.go
@@ -144,7 +144,7 @@ func TestEvaluateArray(t *testing.T) {
 
 func TestEvaluateInOperator(t *testing.T) {
 	floats := []float64{float64(2), float64(2)}
-	b, err := EvalCondition(floats, "2 in result")
+	b, err := EvalCondition(floats, "float(2) in result")
 	assert.Nil(t, err)
 	assert.True(t, b)
 }