diff --git a/.golangci.yml b/.golangci.yml
index 8a3b3bf..31480c7 100644
--- a/.golangci.yml
+++ b/.golangci.yml
@@ -6,6 +6,8 @@ linters:
     - depguard
     - funlen
     - gomoddirectives
+    - gomodguard
+    - gomodguard_v2
     - godox
     - exhaustruct
     - nlreturn
diff --git a/duration.go b/duration.go
index f2ab7ff..4725903 100644
--- a/duration.go
+++ b/duration.go
@@ -174,6 +174,9 @@ func ParseDuration(s string) (time.Duration, error) {
 			scale float64 = 1 // value = v + f/scale
 		)
 		s = strings.TrimLeftFunc(s, unicode.IsSpace)
+		if s == "" {
+			break
+		}
 
 		// The next character must be 0-9.]
 		if s[0] != '.' && ('0' > s[0] || s[0] > '9') {
diff --git a/duration_test.go b/duration_test.go
index 5052ee9..ae4f206 100644
--- a/duration_test.go
+++ b/duration_test.go
@@ -5,6 +5,9 @@ package strfmt
 
 import (
 	"fmt"
+	"iter"
+	"slices"
+	"strings"
 	"testing"
 	"time"
 
@@ -395,6 +398,14 @@ func TestIssue169FractionalDuration(t *testing.T) {
 			Input:       "314159. d",
 			ExpectError: true,
 		},
+		{
+			Input:       "               ",
+			ExpectError: true,
+		},
+		{
+			Input:    "   1s            ",
+			Expected: "1s",
+		},
 	} {
 		fractionalDuration := tt
 
@@ -424,3 +435,30 @@ func TestIssue169FractionalDuration(t *testing.T) {
 		})
 	}
 }
+
+func FuzzParseDuration(f *testing.F) {
+	// initial seed
+	cumulated := make([]string, 0, 100)
+	for generator := range durationGenerators() {
+		f.Add(generator)
+
+		cumulated = append(cumulated, generator)
+		f.Add(strings.Join(cumulated, ""))
+	}
+
+	f.Fuzz(func(t *testing.T, input string) {
+		require.NotPanics(t, func() {
+			_ = IsDuration(input)
+		})
+	})
+}
+
+func durationGenerators() iter.Seq[string] {
+	return slices.Values([]string{
+		"x",
+		"",
+		"1s",
+		"               ",
+		"   1s            ",
+	})
+}