diff --git a/pkg/detectors/smartsheets/smartsheets.go b/pkg/detectors/smartsheets/smartsheets.go
index 4b054e291..85216cdf8 100644
--- a/pkg/detectors/smartsheets/smartsheets.go
+++ b/pkg/detectors/smartsheets/smartsheets.go
@@ -22,7 +22,7 @@ var (
 	client = common.SaneHttpClient()
 
 	// Make sure that your group is surrounded in boundary characters such as below to reduce false positives.
-	keyPat = regexp.MustCompile(detectors.PrefixRegex([]string{"sheet"}) + `\b([a-zA-Z0-9]{37})\b`)
+	keyPat = regexp.MustCompile(detectors.PrefixRegex([]string{"sheet"}) + `\b([a-zA-Z0-9]{26}|[a-zA-Z0-9]{37})\b`)
 )
 
 // Keywords are used for efficiently pre-filtering chunks.
diff --git a/pkg/detectors/smartsheets/smartsheets_test.go b/pkg/detectors/smartsheets/smartsheets_test.go
index b53258d63..160e3bcda 100644
--- a/pkg/detectors/smartsheets/smartsheets_test.go
+++ b/pkg/detectors/smartsheets/smartsheets_test.go
@@ -55,6 +55,31 @@ func TestSmartsheets_Pattern(t *testing.T) {
 			`,
 			want: []string{},
 		},
+		{
+			name: "valid pattern - 26 characters",
+			input: `
+			# smartsheet credentials
+			sheet_token := "fakeiq999fakeecyfake3ifake"
+			`,
+			want: []string{"fakeiq999fakeecyfake3ifake"},
+		},
+		{
+			name: "valid pattern - 26 and 37 characters",
+			input: `
+			# smartsheet multiple length credentials
+			sheet_token := "fakeiq999fakeecyfake3ifake"
+			sheet_token2 := "fakezmdxfakenFAKELzhonda7tvMpkqJ3fake"
+			`,
+			want: []string{"fakeiq999fakeecyfake3ifake", "fakezmdxfakenFAKELzhonda7tvMpkqJ3fake"},
+		},
+		{
+			name: "invalid pattern - 30 characters",
+			input: `
+			# smartsheet invalid credentials
+			sheet_token := "fakeiq999fakeecyfake3ifakeuiop"
+			`,
+			want: []string{},
+		},
 		{
 			name: "invalid pattern",
 			input: `