diff --git a/DESCRIPTION b/DESCRIPTION
index 387af1b..42c9849 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,8 +1,10 @@
 Package: yulab.utils
 Title: Supporting Functions for Packages Maintained by 'YuLab-SMU'
-Version: 0.1.9.001
+Version: 0.2.0
 Authors@R: c(person("Guangchuang", "Yu", email = "guangchuangyu@gmail.com", role = c("aut", "cre"), comment = c(ORCID = "0000-0002-6485-8781")))
 Description: Miscellaneous functions commonly used by 'YuLab-SMU'.
+Depends:
+  R (>= 4.2.0)
 Imports:
   cli,
   digest,
diff --git a/NEWS.md b/NEWS.md
index b433be6..7beb7d9 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,4 +1,4 @@
-# yulab.utils 0.1.9.001
+# yulab.utils 0.2.0
 
 + bug fixed in `get_caller_package()` (2025-01-08, Wed)
 
diff --git a/R/utilities.R b/R/utilities.R
index 9ac8720..51788ac 100644
--- a/R/utilities.R
+++ b/R/utilities.R
@@ -15,7 +15,8 @@
 
 get_caller_package <- function(caller) {
     if (is.character(caller)) {
-        fn <- eval(parse(text=caller))
+        fn <- tryCatch(eval(parse(text=caller)), error=function(e) NULL)
+        if (is.null(fn)) return("")
     } else {
         fn <- caller
     }