diff --git a/lib/assign.js b/lib/assign.js
index 589515a..e163316 100644
--- a/lib/assign.js
+++ b/lib/assign.js
@@ -30,7 +30,7 @@ var reinterpretBoolean = require( '@stdlib/strided-base-reinterpret-boolean' );
 var normalizeIndex = require( '@stdlib/ndarray-base-normalize-index' );
 var real = require( '@stdlib/complex-float64-real' );
 var imag = require( '@stdlib/complex-float64-imag' );
-var format = require( '@stdlib/string-format' );
+var format = require( '@stdlib/error-tools-fmtprodmsg' );
 
 
 // FUNCTIONS //
diff --git a/lib/main.js b/lib/main.js
index 357e19b..65503b1 100644
--- a/lib/main.js
+++ b/lib/main.js
@@ -23,7 +23,7 @@
 var slice = require( '@stdlib/array-base-slice' );
 var resolveSetter = require( '@stdlib/array-base-resolve-setter' );
 var normalizeIndex = require( '@stdlib/ndarray-base-normalize-index' );
-var format = require( '@stdlib/string-format' );
+var format = require( '@stdlib/error-tools-fmtprodmsg' );
 
 
 // FUNCTIONS //
diff --git a/package.json b/package.json
index 5fd1c65..a0cabb3 100644
--- a/package.json
+++ b/package.json
@@ -49,7 +49,7 @@
     "@stdlib/ndarray-base-normalize-index": "^0.2.3",
     "@stdlib/strided-base-reinterpret-boolean": "^0.0.3",
     "@stdlib/strided-base-reinterpret-complex": "^0.1.3",
-    "@stdlib/string-format": "^0.2.3",
+    "@stdlib/error-tools-fmtprodmsg": "^0.2.3",
     "@stdlib/types": "^0.5.1",
     "@stdlib/utils-define-nonenumerable-read-only-property": "^0.2.3",
     "@stdlib/error-tools-fmtprodmsg": "^0.2.3"