diff --git a/README.md b/README.md
index 3fff6ce..c2c60fd 100644
--- a/README.md
+++ b/README.md
@@ -162,12 +162,12 @@ SHA256 digest for BasePlus: A321A4BC54D444B82575EC5D443553A096557AD69DC171D578A3
 
 [Documentation for BasePlus](https://github.com/yabwon/SAS_PACKAGES/blob/main/packages/baseplus.md "Documentation for BasePlus")
 
-- **GSM** (Generate Secure Macros)\[0.12\], package allows
+- **GSM** (Generate Secure Macros)\[0.13\], package allows
  to create secured macros stored in SAS Proc FCMP functions.
  The dataset with functions can be shared between different operating systems
  and allows to generate macros on site without showing their code.
 
-SHA256 digest for GSM: 311BCF510B7B189AE9A75C56C4D2F99F844114CC5AD32329FAD690BA1F10422A
+SHA256 digest for GSM: 2FC239B5A2216D073826125999BFD64FBA32BFEA3EE6EA2B22EC64E8C1B04144
 
 [Documentation for GSM](https://github.com/yabwon/SAS_PACKAGES/blob/main/packages/gsm.md "Documentation for GSM")
 
diff --git a/packages/README.md b/packages/README.md
index a78658c..76e42cf 100644
--- a/packages/README.md
+++ b/packages/README.md
@@ -110,12 +110,12 @@ SHA256 digest for BasePlus: A321A4BC54D444B82575EC5D443553A096557AD69DC171D578A3
 
 ---
 
-- **GSM** (Generate Secure Macros)\[0.12\], package allows
+- **GSM** (Generate Secure Macros)\[0.13\], package allows
  to create secured macros stored in SAS Proc FCMP functions.
  The dataset with functions can be shared between different operating systems
  and allows to generate macros on site without showing their code.
 
-SHA256 digest for GSM: 311BCF510B7B189AE9A75C56C4D2F99F844114CC5AD32329FAD690BA1F10422A
+SHA256 digest for GSM: 2FC239B5A2216D073826125999BFD64FBA32BFEA3EE6EA2B22EC64E8C1B04144
 
 [Documentation for GSM](https://github.com/yabwon/SAS_PACKAGES/blob/main/packages/gsm.md "Documentation for GSM")
 
diff --git a/packages/SHA256_for_packages.txt b/packages/SHA256_for_packages.txt
index 696d771..df9eefb 100644
--- a/packages/SHA256_for_packages.txt
+++ b/packages/SHA256_for_packages.txt
@@ -1,3 +1,6 @@
+/* 20210726 */
+2FC239B5A2216D073826125999BFD64FBA32BFEA3EE6EA2B22EC64E8C1B04144
+
 /* 20210722 */
 311BCF510B7B189AE9A75C56C4D2F99F844114CC5AD32329FAD690BA1F10422A
 
diff --git a/packages/gsm.md b/packages/gsm.md
index cabb1bc..d6cc564 100644
--- a/packages/gsm.md
+++ b/packages/gsm.md
@@ -8,7 +8,7 @@
 ---
 
 
-# The GSM package [ver. 0.12] <a name="gsm-package"></a> ###############################################
+# The GSM package [ver. 0.13] <a name="gsm-package"></a> ###############################################
 
 The **GSM** (a.k.a. *Generate Secure Macros*) package allows
 to create secured macros stored in SAS Proc FCMP functions.
@@ -68,7 +68,7 @@ Required SAS Components:
 * SAS package generated by generatePackage, version 20210528 *
 
 The SHA256 hash digest for package BasePlus: 
-`311BCF510B7B189AE9A75C56C4D2F99F844114CC5AD32329FAD690BA1F10422A` 
+`2FC239B5A2216D073826125999BFD64FBA32BFEA3EE6EA2B22EC64E8C1B04144` 
 
  
 ## >>> `%GSM()` macro: <<< <a name="gsm-macro"></a> #######################
diff --git a/packages/gsm.zip b/packages/gsm.zip
index b2de559..bb0273f 100644
Binary files a/packages/gsm.zip and b/packages/gsm.zip differ