diff --git a/DESCRIPTION b/DESCRIPTION
index a34424b..17a4c4d 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -45,8 +45,6 @@ Imports:
 Depends:
     R (>= 4.0)
 Suggests:
-    testthat,
-    devtools,
     BSgenome.Hsapiens.UCSC.hg19,
     BSgenome.Hsapiens.UCSC.hg38,
     knitr,
diff --git a/conda/recipe/cpsr/build.sh b/conda/recipe/cpsr/build.sh
index f9f5ea7..a42a6a2 100644
--- a/conda/recipe/cpsr/build.sh
+++ b/conda/recipe/cpsr/build.sh
@@ -1,5 +1,4 @@
 #!/bin/bash
 
 export DISABLE_AUTOBREW=1
-${R} -e "install.packages('openxlsx2', repos = 'https://cloud.r-project.org/', lib = '${PREFIX}/lib/R/library')"
 ${R} CMD INSTALL --build . ${R_ARGS}
diff --git a/conda/recipe/cpsr/meta.yaml b/conda/recipe/cpsr/meta.yaml
index 92d7d31..6239b99 100644
--- a/conda/recipe/cpsr/meta.yaml
+++ b/conda/recipe/cpsr/meta.yaml
@@ -17,10 +17,12 @@ requirements:
     - git
   host:
     - r-base ==4.3.3
+    - r-assertable
     - r-assertthat
     - r-dplyr
     - r-ggplot2
     - r-glue
+    - r-openxlsx2
     - r-pcgrr
     - r-quarto
     - quarto
@@ -31,10 +33,12 @@ requirements:
     - r-tidyr
   run:
     - r-base
+    - r-assertable
     - r-assertthat
     - r-dplyr
     - r-ggplot2
     - r-glue
+    - r-openxlsx2
     - r-pcgrr
     - r-quarto
     - quarto