diff --git a/01-Preface.Rmd b/01-Preface.Rmd
index 3092ca4dc..39f26cecc 100644
--- a/01-Preface.Rmd
+++ b/01-Preface.Rmd
@@ -19,7 +19,7 @@ In short, you can use my work as long as you cite it.
 
 The APA-style citation for the book is:
 
-Petersen, I. T. (2023). *Principles of psychological assessment: With applied examples in R*. Version 1.0.5. University of Iowa Libraries. https://isaactpetersen.github.io/Principles-Psychological-Assessment. https://doi.org/10.5281/zenodo.6466589
+Petersen, I. T. (2023). *Principles of psychological assessment: With applied examples in R*. Version 1.0.6. University of Iowa Libraries. https://isaactpetersen.github.io/Principles-Psychological-Assessment. https://doi.org/10.5281/zenodo.6466589
 
 [![DOI](Images/zenodo_doiBadge.png)](https://doi.org/10.5281/zenodo.6466589)
 
@@ -31,7 +31,7 @@ The BibTeX citation for the book is:
   author = {Petersen, Isaac T.},
   year = {2023},
   publisher = {{University of Iowa Libraries}},
-  note = {Version 1.0.5},
+  note = {Version 1.0.6},
   doi = {10.5281/zenodo.6466589},
   isbn = {9780984037827},
   url = {https://isaactpetersen.github.io/Principles-Psychological-Assessment}
diff --git a/DESCRIPTION b/DESCRIPTION
index c3f987c4c..669de2ae6 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,6 +1,6 @@
 Package: placeholder
 Title: book
-Version: 1.0.5
+Version: 1.0.6
 Imports:
   bookdown,
   knitr,
diff --git a/README.md b/README.md
index e94542a22..d2be46f5f 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,7 @@ The book is located here: **https://isaactpetersen.github.io/Principles-Psycholo
 
 The APA-style citation for the book is:
 
-Petersen, I. T. (2023). *Principles of psychological assessment: With applied examples in R*. Version 1.0.5. University of Iowa Libraries. https://isaactpetersen.github.io/Principles-Psychological-Assessment. https://doi.org/10.5281/zenodo.6466589
+Petersen, I. T. (2023). *Principles of psychological assessment: With applied examples in R*. Version 1.0.6. University of Iowa Libraries. https://isaactpetersen.github.io/Principles-Psychological-Assessment. https://doi.org/10.5281/zenodo.6466589
 
 [![DOI](https://zenodo.org/badge/DOI/10.5281/zenodo.6466589.svg)](https://doi.org/10.5281/zenodo.6466589)
 
@@ -25,7 +25,7 @@ The BibTeX citation for the book is:
   author = {Petersen, Isaac T.},
   year = {2023},
   publisher = {{University of Iowa Libraries}},
-  note = {Version 1.0.5},
+  note = {Version 1.0.6},
   doi = {10.5281/zenodo.6466589},
   isbn = {9780984037827},
   url = {https://isaactpetersen.github.io/Principles-Psychological-Assessment}
diff --git a/index.Rmd b/index.Rmd
index e39e1689a..088718cbb 100644
--- a/index.Rmd
+++ b/index.Rmd
@@ -1,6 +1,6 @@
 ---
 title: "Principles of Psychological Assessment: With Applied Examples in R"
-subtitle: "version 1.0.5"
+subtitle: "version 1.0.6"
 author: "Isaac T. Petersen"
 date: "`r Sys.Date()`"
 site: bookdown::bookdown_site