diff --git a/CITATION.cff b/CITATION.cff
index 86772391..b8f9591e 100644
--- a/CITATION.cff
+++ b/CITATION.cff
@@ -1,5 +1,5 @@
 # -----------------------------------------------------------
-# CITATION file created with {cffr} R package, v0.4.0
+# CITATION file created with {cffr} R package, v0.4.1
 # See also: https://docs.ropensci.org/cffr/
 # -----------------------------------------------------------
  
@@ -8,7 +8,7 @@ message: 'To cite package "statsExpressions" in publications use:'
 type: software
 license: GPL-3.0-only
 title: 'statsExpressions: Tidy Dataframes and Expressions with Statistical Details'
-version: 1.4.0.9000
+version: 1.5.0
 doi: 10.21105/joss.03236
 abstract: 'Utilities for producing dataframes with rich details for the most common
   types of statistical approaches and tests: parametric, nonparametric, robust, and
@@ -73,7 +73,7 @@ references:
   year: '2023'
   institution:
     name: R Foundation for Statistical Computing
-  version: '>= 4.0.0'
+  version: '>= 4.1.0'
 - type: software
   title: BayesFactor
   abstract: 'BayesFactor: Computation of Bayes Factors for Common Designs'
@@ -94,7 +94,7 @@ references:
   abstract: 'correlation: Methods for Correlation Analysis'
   notes: Imports
   url: https://easystats.github.io/correlation/
-  repository: https://CRAN.R-project.org/package=correlation
+  repository: https://easystats.r-universe.dev
   authors:
   - family-names: Makowski
     given-names: Dominique
@@ -116,8 +116,8 @@ references:
     given-names: Mattan S.
     email: matanshm@post.bgu.ac.il
     orcid: https://orcid.org/0000-0002-4287-4801
-  version: '>= 0.8.3'
   year: '2023'
+  version: '>= 0.8.3'
 - type: software
   title: datawizard
   abstract: 'datawizard: Easy Data Wrangling and Statistical Transformations'
@@ -181,7 +181,7 @@ references:
   abstract: 'effectsize: Indices of Effect Size'
   notes: Imports
   url: https://easystats.github.io/effectsize/
-  repository: https://CRAN.R-project.org/package=effectsize
+  repository: https://easystats.r-universe.dev
   authors:
   - family-names: Ben-Shachar
     given-names: Mattan S.
@@ -493,7 +493,7 @@ references:
   authors:
   - family-names: Wickham
     given-names: Hadley
-    email: hadley@rstudio.com
+    email: hadley@posit.co
     orcid: https://orcid.org/0000-0003-4757-117X
   - family-names: Chang
     given-names: Winston
@@ -502,7 +502,7 @@ references:
     given-names: Lionel
   - family-names: Pedersen
     given-names: Thomas Lin
-    email: thomas.pedersen@rstudio.com
+    email: thomas.pedersen@posit.co
     orcid: https://orcid.org/0000-0002-5147-4711
   - family-names: Takahashi
     given-names: Kohske
diff --git a/DESCRIPTION b/DESCRIPTION
index 3e5ded5c..9181b269 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,7 +1,7 @@
 Type: Package
 Package: statsExpressions
 Title: Tidy Dataframes and Expressions with Statistical Details
-Version: 1.4.0.9000
+Version: 1.5.0
 Authors@R: 
     person(given = "Indrajeet",
            family = "Patil",
@@ -23,7 +23,7 @@ URL: https://indrajeetpatil.github.io/statsExpressions/,
     https://github.com/IndrajeetPatil/statsExpressions
 BugReports: https://github.com/IndrajeetPatil/statsExpressions/issues
 Depends: 
-    R (>= 4.0.0)
+    R (>= 4.1.0)
 Imports:
     BayesFactor (>= 0.9.12-4.4),
     correlation (>= 0.8.3),
diff --git a/NEWS.md b/NEWS.md
index 6c5a4d7f..72664faa 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,4 +1,9 @@
-# statsExpressions 1.4.0.9000
+# statsExpressions 1.5.0
+
+BREAKING CHANGES
+
+- The minimum needed R version is now bumped to `R 4.1` because a critical 
+  dependency (`{pbkrtest}`) requires this R version.
 
 # statsExpressions 1.4.0
 
diff --git a/codemeta.json b/codemeta.json
index cba53230..72d14309 100644
--- a/codemeta.json
+++ b/codemeta.json
@@ -8,7 +8,7 @@
   "codeRepository": "https://github.com/IndrajeetPatil/statsExpressions",
   "issueTracker": "https://github.com/IndrajeetPatil/statsExpressions/issues",
   "license": "https://spdx.org/licenses/GPL-3.0",
-  "version": "1.4.0.9000",
+  "version": "1.5.0",
   "programmingLanguage": {
     "@type": "ComputerLanguage",
     "name": "R",
@@ -182,7 +182,7 @@
       "@type": "SoftwareApplication",
       "identifier": "R",
       "name": "R",
-      "version": ">= 4.0.0"
+      "version": ">= 4.1.0"
     },
     "2": {
       "@type": "SoftwareApplication",
@@ -405,7 +405,7 @@
     },
     "SystemRequirements": null
   },
-  "fileSize": "4132.064KB",
+  "fileSize": "4132.323KB",
   "citation": [
     {
       "@type": "ScholarlyArticle",
diff --git a/vignettes/statsExpressions.Rmd b/vignettes/statsExpressions.Rmd
index bc767695..67024e43 100644
--- a/vignettes/statsExpressions.Rmd
+++ b/vignettes/statsExpressions.Rmd
@@ -158,10 +158,9 @@ statistical processing backend.
 # needed libraries
 library(ggplot2)
 
-# creating a dataframe
+# creating a data frame
 res <- oneway_anova(iris, Species, Sepal.Length, type = "nonparametric")
 
-# create a ridgeplot using `ggridges` package
 ggplot(iris, aes(x = Sepal.Length, y = Species)) +
   geom_boxplot() + # use 'expression' column to display results in the subtitle
   labs(