diff --git a/.Rbuildignore b/.Rbuildignore
index 68f59973..6cda46b4 100755
--- a/.Rbuildignore
+++ b/.Rbuildignore
@@ -1,3 +1,4 @@
+^CRAN-RELEASE$
 ^.*\.Rproj$
 ^\.Rproj\.user$
 .travis.yml
diff --git a/.gitignore b/.gitignore
index eba10c58..9c9ad84a 100755
--- a/.gitignore
+++ b/.gitignore
@@ -14,3 +14,4 @@ _noinclude
 vignettes/*.R
 .DS_Store
 ^cran-comments\.md$
+^CRAN-RELEASE$
diff --git a/DESCRIPTION b/DESCRIPTION
index 201a1a5b..eb599d2e 100755
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,6 +1,6 @@
 Package: AMR
-Version: 0.4.0.9014
-Date: 2018-11-30
+Version: 0.5.0
+Date: 2018-12-01
 Title: Antimicrobial Resistance Analysis
 Authors@R: c(
     person(
@@ -39,7 +39,7 @@ Authors@R: c(
         role = "ths",
         comment = c(ORCID = "0000-0003-1634-0010")))
 Description: Functions to simplify the analysis and prediction of Antimicrobial 
-    Resistance (AMR) and work with microbial and antimicrobial properties by using
+    Resistance (AMR) to work with microbial and antimicrobial properties by using
     evidence-based methods.
 Depends:
     R (>= 3.1.0)
diff --git a/NEWS.md b/NEWS.md
index c455c71e..0d3f838a 100755
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,4 +1,5 @@
-# 0.4.0.90xx (latest development version)
+# 0.5.0
+**Published on CRAN: 2018-12-01**
 
 #### New
 * Repository moved to GitLab: https://gitlab.com/msberends/AMR
@@ -81,7 +82,8 @@
 * Updated vignettes to comply with README
 
 
-# 0.4.0 (latest stable release)
+# 0.4.0
+**Published on CRAN: 2018-10-01**
 
 #### New
 * The data set `microorganisms` now contains **all microbial taxonomic data from ITIS** (kingdoms Bacteria, Fungi and Protozoa), the Integrated Taxonomy Information System, available via https://itis.gov. The data set now contains more than 18,000 microorganisms with all known bacteria, fungi and protozoa according ITIS with genus, species, subspecies, family, order, class, phylum and subkingdom. The new data set `microorganisms.old` contains all previously known taxonomic names from those kingdoms.
diff --git a/README.md b/README.md
index 446c62fb..956ac9ca 100755
--- a/README.md
+++ b/README.md
@@ -1,5 +1,5 @@
 # `AMR` <img src="man/figures/logo_amr.png" align="right" height="120px" />
-### An [R package](https://www.r-project.org) to simplify the analysis and prediction of Antimicrobial Resistance (AMR) and work with antibiotic properties by using evidence-based methods.
+### An [R package](https://www.r-project.org) to simplify the analysis and prediction of Antimicrobial Resistance (AMR) and to work with antibiotic properties by using evidence-based methods.
 
 This R package was created for academic research by PhD students of the Faculty of Medical Sciences of the [University of Groningen](https://www.rug.nl) and the Medical Microbiology & Infection Prevention (MMBI) department of the [University Medical Center Groningen (UMCG)](https://www.umcg.nl).