diff --git a/.github/environment/pixi.toml b/.github/environment/pixi.toml
index 691796b..90f5821 100644
--- a/.github/environment/pixi.toml
+++ b/.github/environment/pixi.toml
@@ -10,7 +10,8 @@ libc = { family="glibc", version="2.17" }
 devtools_document = "R -e 'devtools::document()'"
 devtools_test = "R -e 'devtools::test()'"
 codecov = "R -e 'covr::codecov(quiet = FALSE)'"
-rcmdcheck = "R -e 'rcmdcheck::rcmdcheck()'"
+build = "R -e 'devtools::build()'"
+rcmdcheck = "R -e 'pkg <- list.files(\"..\", pattern = \".tar.gz\", full.names = TRUE); rcmdcheck::rcmdcheck(path = pkg[1], args = c(\"--as-cran\"))'"
 use_major_version = "R -e 'usethis::Use_version(which = \"major\", push = FALSE)'"
 use_minor_version = "R -e 'usethis::use_version(which = \"minor\", push = FALSE)'"
 use_patch_version = "R -e 'usethis::use_version(which = \"patch\", push = FALSE)'"
@@ -26,7 +27,9 @@ r43 = {features = ["r43"]}
 r44 = {features = ["r44"]}
 
 [dependencies]
+"r-ashr" = "*"
+"r-covr" = "*"
 "r-devtools" = "*"
+"r-mass" = "*"
 "r-rcmdcheck" = "*"
-"r-covr" = "*"
 "r-tidyverse" = "*"
diff --git a/.github/workflows/R-CMD-check.yaml b/.github/workflows/R-CMD-check.yaml
deleted file mode 100644
index 3d53917..0000000
--- a/.github/workflows/R-CMD-check.yaml
+++ /dev/null
@@ -1,50 +0,0 @@
-
-on:
-  push:
-    branches: [main, master]
-  pull_request:
-    branches: [main, master]
-
-name: R-CMD-check
-
-jobs:
-  R-CMD-check:
-    runs-on: ${{ matrix.config.os }}
-
-    name: ${{ matrix.config.os }} (${{ matrix.config.r }})
-
-    strategy:
-      fail-fast: false
-      matrix:
-        config:
-          - {os: windows-latest, r: "release"}
-          - {os: macOS-latest, r: "release"}
-          - {os: ubuntu-latest, r: "release"}
-
-    env:
-      R_REMOTES_NO_ERRORS_FROM_WARNINGS: true
-      GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
-
-    steps:
-      - uses: actions/checkout@v2
-
-      - uses: r-lib/actions/setup-r@v2
-        with:
-          r-version: ${{ matrix.config.r }}
-
-      - uses: r-lib/actions/setup-pandoc@v2
-
-      - name: Install dependencies
-        run: |
-          install.packages(c("remotes", "rcmdcheck", "covr", "testthat"))
-          remotes::install_deps(dependencies = TRUE)
-        shell: Rscript {0}
-
-      - name: Check
-        run: rcmdcheck::rcmdcheck(args = c("--no-manual", "--as-cran"), error_on = "warning", check_dir = "check")
-        shell: Rscript {0}
-
-      - name: Test coverage
-        run: covr::codecov()
-        shell: Rscript {0}
-
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 5637fc9..45ad255 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -33,11 +33,16 @@ jobs:
       - name: Run unit tests
         run: pixi run --environment ${{ matrix.environment }} devtools_test
 
-      # - name: Check unit test code coverage
-      #   run: pixi run --environment ${{ matrix.environment }} codecov
+      - name: Run R CMD CHECK
+        run: |
+          pixi install --environment ${{ matrix.environment }}
+          ln -sf $(pwd)/.pixi/envs/default/lib/libhwasan.so.0 $(pwd)/.pixi/envs/default/lib/libhwasan.so
+          ln -sf $(pwd)/.pixi/envs/${{ matrix.environment }}/lib/libhwasan.so.0 $(pwd)/.pixi/envs/${{ matrix.environment }}/lib/libhwasan.so
+          pixi run --environment ${{ matrix.environment }} build
+          pixi run --environment ${{ matrix.environment }} rcmdcheck
 
-      #- name: Run R CMD CHECK
-        #run: pixi run rcmdcheck
+      - name: Check unit test code coverage
+        run: pixi run --environment ${{ matrix.environment }} codecov
 
   ci_osx-64:
     name: osx-64 CI
@@ -62,8 +67,10 @@ jobs:
       - name: Run unit tests
         run: pixi run --environment ${{ matrix.environment }} devtools_test
 
-      #- name: Run R CMD CHECK
-        #run: pixi run rcmdcheck
+      - name: Run R CMD CHECK
+        run: |
+          pixi run --environment ${{ matrix.environment }} build
+          pixi run --environment ${{ matrix.environment }} rcmdcheck
   
   ci_osx-arm64:
     name: osx-arm64 CI
@@ -88,5 +95,7 @@ jobs:
       - name: Run unit tests
         run: pixi run --environment ${{ matrix.environment }} devtools_test
 
-      #- name: Run R CMD CHECK
-        #run: pixi run rcmdcheck
+      - name: Run R CMD CHECK
+        run: |
+          pixi run --environment ${{ matrix.environment }} build
+          pixi run --environment ${{ matrix.environment }} rcmdcheck
diff --git a/.github/workflows/test-coverage.yaml b/.github/workflows/test-coverage.yaml
deleted file mode 100644
index 61d3681..0000000
--- a/.github/workflows/test-coverage.yaml
+++ /dev/null
@@ -1,28 +0,0 @@
-
-on:
-  push:
-    branches: [main, master]
-  pull_request:
-    branches: [main, master]
-
-name: test-coverage
-
-jobs:
-  test-coverage:
-    runs-on: ubuntu-latest
-    
-    steps:
-      - uses: actions/checkout@v2
-      
-      - uses: r-lib/actions/setup-r@v2
-      
-      - name: Install dependencies
-        run: |
-          install.packages(c("remotes", "covr"))
-          remotes::install_deps(dependencies = TRUE)
-        shell: Rscript {0}
-        
-      - name: Test coverage
-        run: covr::codecov()
-        shell: Rscript {0}
-
diff --git a/DESCRIPTION b/DESCRIPTION
index 0586bef..b0f74b5 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -28,8 +28,8 @@ Suggests:
     testthat (>= 3.0.0),
     knitr,
     rmarkdown,
-    susieR,
-    ashr
+    ashr,
+    MASS
 VignetteBuilder: knitr
 Roxygen: list(markdown = TRUE)
 Config/testthat/edition: 3