diff --git a/DESCRIPTION b/DESCRIPTION
index db8d589..e6ba182 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,8 +1,8 @@
 Package: geneSLOPE
 Type: Package
 Title: Genome-Wide Association Study with SLOPE
-Version: 0.38.3
-Date: 2025-06-19
+Version: 0.38.4
+Date: 2025-08-19
 Authors@R: c(person("Damian", "Brzyski", role = "aut"),
     person("Christine", "Peterson", role = "aut"),
     person("Emmanuel J.", "Candes", role = "aut"),
@@ -23,7 +23,7 @@ Depends:
     R (>= 3.1.3),
     SLOPE
 Imports:
-    ggplot2,
+    ggplot2 (>= 3.4.0),
     bigmemory,
     grid,
     utils,
diff --git a/R/clumpingResult.R b/R/clumpingResult.R
index c4a7db4..5dfe94f 100644
--- a/R/clumpingResult.R
+++ b/R/clumpingResult.R
@@ -188,7 +188,7 @@ clumping_theme <- theme(panel.background=element_blank(),
                         panel.grid.major.y=element_line(colour = "grey80"),
                         panel.grid.minor.y=element_line(colour = "grey90"),
                         panel.grid.major.x=element_blank(),
-                        panel.grid.minor.x=element_line(colour = "grey70", linetype = "dotted", size=0.5),
+                        panel.grid.minor.x=element_line(colour = "grey70", linetype = "dotted", linewidth=0.5),
                         axis.ticks.x=element_blank(),
                         legend.text = element_text(size=15),
                         legend.position="top",
diff --git a/R/geneSLOPE.R b/R/geneSLOPE.R
index eeebab6..606f665 100644
--- a/R/geneSLOPE.R
+++ b/R/geneSLOPE.R
@@ -14,7 +14,7 @@
 #' one representative (therefore we ensure that variables in linear model
 #' are not strognly correlated)
 #' }
-#' Version: 0.38.3
+#' Version: 0.38.4
 #'
 #' @name geneSLOPE
 #' @aliases geneSLOPE-package
diff --git a/R/selectionResult.R b/R/selectionResult.R
index ae3f0ba..eeacf3f 100644
--- a/R/selectionResult.R
+++ b/R/selectionResult.R
@@ -266,7 +266,7 @@ slope_result_theme <- theme(
   panel.grid.major.x=element_blank(),
   panel.grid.minor.x=element_line(colour = "grey70",
                                   linetype = "dotted",
-                                  size=0.5),
+                                  linewidth=0.5),
   axis.ticks.x=element_blank(),
   legend.text = element_text(size=15),
   legend.position="bottom",
diff --git a/man/geneSLOPE.Rd b/man/geneSLOPE.Rd
index 40f68f5..df9c8dd 100644
--- a/man/geneSLOPE.Rd
+++ b/man/geneSLOPE.Rd
@@ -21,7 +21,7 @@ screened using marginal tests for each SNP
 one representative (therefore we ensure that variables in linear model
 are not strognly correlated)
 }
-Version: 0.38.3
+Version: 0.38.4
 }
 \examples{
 \donttest{