diff --git a/lib/node_modules/@stdlib/stats/base/dists/lognormal/kurtosis/README.md b/lib/node_modules/@stdlib/stats/base/dists/lognormal/kurtosis/README.md
index 80a6ba1bc1bd..f4355c532ba4 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/lognormal/kurtosis/README.md
+++ b/lib/node_modules/@stdlib/stats/base/dists/lognormal/kurtosis/README.md
@@ -124,7 +124,7 @@ var i;
 
 for ( i = 0; i < 10; i++ ) {
     mu = ( randu()*10.0 ) - 5.0;
-    sigma = randu() * 20.0;
+    sigma = ( randu()*4.9 ) + 0.1;
     y = kurtosis( mu, sigma );
     console.log( 'µ: %d, σ: %d, Kurt(X;µ,σ): %d', mu.toFixed( 4 ), sigma.toFixed( 4 ), y.toFixed( 4 ) );
 }
@@ -213,7 +213,7 @@ int main( void ) {
     int i;
 
     for ( i = 0; i < 25; i++ ) {
-        sigma = random_uniform( -5.0, 5.0 );
+        sigma = random_uniform( 0.1, 5.0 );
         mu = random_uniform( 0.0, 20.0 );
         y = stdlib_base_dists_lognormal_kurtosis( mu, sigma );
         printf( "µ: %lf, σ: %lf, Kurt(X;µ,σ): %lf\n", mu, sigma, y );
diff --git a/lib/node_modules/@stdlib/stats/base/dists/lognormal/kurtosis/examples/c/example.c b/lib/node_modules/@stdlib/stats/base/dists/lognormal/kurtosis/examples/c/example.c
index 72598c703b5c..e2108bdd489d 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/lognormal/kurtosis/examples/c/example.c
+++ b/lib/node_modules/@stdlib/stats/base/dists/lognormal/kurtosis/examples/c/example.c
@@ -32,7 +32,7 @@ int main( void ) {
 	int i;
 
 	for ( i = 0; i < 25; i++ ) {
-		sigma = random_uniform( -5.0, 5.0 );
+		sigma = random_uniform( 0.1, 5.0 );
 		mu = random_uniform( 0.0, 20.0 );
 		y = stdlib_base_dists_lognormal_kurtosis( mu, sigma );
 		printf( "µ: %lf, σ: %lf, Kurt(X;µ,σ): %lf\n", mu, sigma, y );