diff --git a/CHANGES.md b/CHANGES.md
index 8e589c84a..0189db256 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -17,7 +17,7 @@ Release Goals
 ADMB-12.1
 ---------
 
-*Released January 16, 2020*  
+*Released January 17, 2020*  
 
 #### New Supported Compilers
 * GNU C++ 9
diff --git a/INSTALL.md b/INSTALL.md
index 6358529eb..37a20006b 100644
--- a/INSTALL.md
+++ b/INSTALL.md
@@ -1,7 +1,7 @@
 ADMB Project  
 ============
 *ADMB-12.1*  
-*Released January 16, 2020*  
+*Released January 17, 2020*  
 
 ADMB Installation procedures
 
diff --git a/README.md b/README.md
index 01bfff14d..ba57f24ae 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 ADMB Project
 ============
 *ADMB-12.1*  
-*Released January 16, 2020*  
+*Released January 17, 2020*  
 
 ---
 
diff --git a/docs/install/BuildingSourceUnix.md b/docs/install/BuildingSourceUnix.md
index cd6d9108c..c211315fc 100644
--- a/docs/install/BuildingSourceUnix.md
+++ b/docs/install/BuildingSourceUnix.md
@@ -1,7 +1,7 @@
 # ADMB Building Source for Unix
 
 *ADMB-12.1*  
-*Released January 16, 2020*  
+*Released January 17, 2020*  
 
 Describe building ADMB from source for Unix.
 
diff --git a/docs/install/BuildingSourceVisualStudio.md b/docs/install/BuildingSourceVisualStudio.md
index 4449c6d56..22a298278 100644
--- a/docs/install/BuildingSourceVisualStudio.md
+++ b/docs/install/BuildingSourceVisualStudio.md
@@ -1,7 +1,7 @@
 # ADMB Building Source with Visual Studio
 
 *ADMB-12.1*  
-*Released January 16, 2020*  
+*Released January 17, 2020*  
 
 Describe building ADMB from source for Windows and Visual C++ compilers.
 
diff --git a/docs/install/QuickStartMacOS.md b/docs/install/QuickStartMacOS.md
index 4e8479281..f215d9645 100644
--- a/docs/install/QuickStartMacOS.md
+++ b/docs/install/QuickStartMacOS.md
@@ -1,7 +1,7 @@
 # ADMB Quick Start MacOS
 
 *ADMB-12.1*  
-*Released January 16, 2020*  
+*Released January 17, 2020*  
 
 Describe downloading, installing and using ADMB from binary release for MacOS.
 
diff --git a/docs/install/QuickStartUnix.md b/docs/install/QuickStartUnix.md
index 41ac03e7d..84de77097 100644
--- a/docs/install/QuickStartUnix.md
+++ b/docs/install/QuickStartUnix.md
@@ -1,7 +1,7 @@
 # ADMB Quick Start Linux
 
 *ADMB-12.1*  
-*Released January 16, 2020*  
+*Released January 17, 2020*  
 
 Describe downloading, installing and using ADMB from binary release for Linux.
 
diff --git a/docs/install/QuickStartWindows.md b/docs/install/QuickStartWindows.md
index 7b95dd514..068a02f4e 100644
--- a/docs/install/QuickStartWindows.md
+++ b/docs/install/QuickStartWindows.md
@@ -1,7 +1,7 @@
 # ADMB Quick Start Windows
 
 *ADMB-12.1*  
-*Released January 16, 2020*  
+*Released January 17, 2020*  
 
 Describe downloading, installing and using ADMB from binary release for Windows.
 
diff --git a/docs/manuals/admb-re/admbre.tex b/docs/manuals/admb-re/admbre.tex
index c2ad9dff9..f23998dc2 100644
--- a/docs/manuals/admb-re/admbre.tex
+++ b/docs/manuals/admb-re/admbre.tex
@@ -18,7 +18,7 @@
 \newcommand{\scLIDAR}{\textsc{lidar}}
 \newcommand\admbversion{12.1}
 \newcommand\admbyear{2020}
-\newcommand\admbdate{2020-01-16}
+\newcommand\admbdate{2020-01-17}
 
 \makeindex
 
diff --git a/docs/manuals/admb/admb.tex b/docs/manuals/admb/admb.tex
index bcbc0cd3f..a8f35a0f8 100644
--- a/docs/manuals/admb/admb.tex
+++ b/docs/manuals/admb/admb.tex
@@ -28,7 +28,7 @@
 \newcommand\ep{\textrm{elem\_prod}}
 \newcommand\admbversion{12.1}
 \newcommand\admbyear{2020}
-\newcommand\admbdate{2020-01-16}
+\newcommand\admbdate{2020-01-17}
 
 \makeindex
 
diff --git a/docs/manuals/autodif/autodif.tex b/docs/manuals/autodif/autodif.tex
index 3118b0adb..b920f88d4 100644
--- a/docs/manuals/autodif/autodif.tex
+++ b/docs/manuals/autodif/autodif.tex
@@ -9,7 +9,7 @@
 % Some local definitions.
 \newcommand\admbversion{12.1}
 \newcommand\admbyear{2020}
-\newcommand\admbdate{2020-01-16}
+\newcommand\admbdate{2020-01-17}
 
 % Do not use a blank line between the question and the answer.
 \newcommand{\question}[1]{\bigskip\noindent{\bf #1?}\par\medskip\noindent}
diff --git a/scripts/installers/packagemaker/QuickStartADMBTerminal.md b/scripts/installers/packagemaker/QuickStartADMBTerminal.md
index b0b36af87..fe2882f52 100644
--- a/scripts/installers/packagemaker/QuickStartADMBTerminal.md
+++ b/scripts/installers/packagemaker/QuickStartADMBTerminal.md
@@ -1,7 +1,7 @@
 # ADMB Quick Start for ADMBTerminal
 
 *ADMB-12.1*  
-*Released January 16, 2020*  
+*Released January 17, 2020*  
 
 Describe downloading, installing and using ADMBTerminal from binary release for MacOS.