diff --git a/.github/environment/pixi.toml b/.github/environment/pixi.toml
index 24b6137..dc71f8b 100644
--- a/.github/environment/pixi.toml
+++ b/.github/environment/pixi.toml
@@ -33,5 +33,6 @@ r44 = {features = ["r44"]}
 "r-devtools" = "*"
 "r-mass" = "*"
 "r-rcmdcheck" = "*"
+"r-susier" = "*"
 "r-tidyverse" = "*"
 "qpdf" = "*"
diff --git a/DESCRIPTION b/DESCRIPTION
index b427df5..a2d5448 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -4,7 +4,7 @@ Date: 2025-04-13
 Title: Multi-Context Colocalization Analysis for QTL and GWAS Studies
 Version: 0.1.0
 Authors@R: c(
-  person(given = "Xuewei", family = "Cao", email = "xc2270@cumc.columbia.edu", role = c("cre", "aut")),
+  person(given = "Xuewei", family = "Cao", email = "xc2270@cumc.columbia.edu", role = c("cre", "aut", "cph")),
   person(given = "Haochen", family = "Sun", email = "hs3393@cumc.columbia.edu", role = "aut"),
   person(given = "Ru", family = "Feng", email = "rf2872@cumc.columbia.edu", role = "aut"),
   person(given = "Daniel", family = "Nachun", role = "aut"),
diff --git a/inst/CITATION b/inst/CITATION
index 9cb21d5..62baaa9 100644
--- a/inst/CITATION
+++ b/inst/CITATION
@@ -1,27 +1,31 @@
-citHeader("To cite colocboost in publications use:")
-
-citEntry(
-  entry    = "Article",
-  title    = "Integrative multi-omics QTL colocalization maps regulatory architecture in aging human brain",
-  author   = c(person("Xuewei", "Cao"),
-               person("Haochen", "Sun"),
-               person("Ru", "Feng"),
-               person("Rahul", "Mazumder"),
-               person("Cristian F. B.", "Najar"),
-               person("Yang I.", "Li"),
-               person("Philip L.", "de Jager"),
-               person("David", "Bennett"),
-               person("The Alzheimer's Disease Functional Genomics Consortium"),
-               person("Kushal K.", "Dey"),
-               person("Guanghao", "Wang")),
-  journal  = "medRxiv",
-  year     = "2025",
-  note     = "Preprint",
-  url      = "https://doi.org/10.1101/2025.04.17.25326042",
-  textVersion = paste(
-    "Cao X, Sun H, Feng R, Mazumder R, Najar CFB, Li YI, de Jager PL, Bennett D, The Alzheimer's Disease Functional Genomics Consortium, Dey KK, Wang G. (2025).",
-    "Integrative multi-omics QTL colocalization maps regulatory architecture in aging human brain.",
-    "medRxiv.",
-    "https://doi.org/10.1101/2025.04.17.25326042"
-  )
-)
\ No newline at end of file
+bibentry(bibtype = "Article",
+         key = "cao_etall:2025",
+         title = "Integrative multi-omics QTL colocalization maps regulatory architecture in aging human brain",
+         author = c(person(given = "Xuewei",
+                           family = "Cao",
+                           email = "xc2270@cumc.columbia.edu"),
+                    person(given = "Haochen",
+                           family = "Sun",
+                           email = "hs3393@cumc.columbia.edu"),
+                    person(given = "Ru",
+                           family = "Feng",
+                           email = "rf2872@cumc.columbia.edu"),
+                    person(given = "Rahul",
+                           family = "Mazumder"),
+                    person(given = "Cristian F. B.",
+                           family = "Najar"),
+                    person(given = "Yang I.",
+                           family = "Li"),
+                    person(given = "Philip L.",
+                           family = "de Jager"),
+                    person(given = "David",
+                           family = "Bennett"),
+                    person(given = "The Alzheimer's Disease Functional Genomics Consortium"),
+                    person(given = "Kushal K.",
+                           family = "Dey"),
+                    person(given = "Guanghao",
+                           family = "Wang")),
+         year = "2025",
+         journal = "medRxiv",
+         url = "https://doi.org/10.1101/2025.04.17.25326042",
+         note = "Preprint")