diff --git a/modules/local/celda/Dockerfile b/modules/local/celda/Dockerfile
index 1cd3949f..bd4c5071 100644
--- a/modules/local/celda/Dockerfile
+++ b/modules/local/celda/Dockerfile
@@ -1,3 +1,3 @@
 FROM community.wave.seqera.io/library/bioconductor-celda_bioconductor-singlecellexperiment_r-hdf5r_r-pak:eae54a7b6809057d
 
-RUN R -e "pak::pak('scverse/anndataR')"
+RUN R -e "pak::pak('scverse/anndataR@0.1.0')"
diff --git a/modules/local/doublet_detection/scds/Dockerfile b/modules/local/doublet_detection/scds/Dockerfile
index f7c2a006..9a4e2b58 100644
--- a/modules/local/doublet_detection/scds/Dockerfile
+++ b/modules/local/doublet_detection/scds/Dockerfile
@@ -1,3 +1,3 @@
 FROM community.wave.seqera.io/library/bioconductor-scds_r-hdf5r_r-pak_r-xgboost:b848e7e3a7f5666d
 
-RUN R -e "pak::pak('scverse/anndataR')"
+RUN R -e "pak::pak('scverse/anndataR@0.1.0')"
diff --git a/modules/local/seurat/Dockerfile b/modules/local/seurat/Dockerfile
index 73598d18..236a098d 100644
--- a/modules/local/seurat/Dockerfile
+++ b/modules/local/seurat/Dockerfile
@@ -1,3 +1,3 @@
 FROM community.wave.seqera.io/library/bioconductor-glmgampoi_bioconductor-singlecellexperiment_r-hdf5r_r-pak_r-seurat:237343f98a0c9c66
 
-RUN R -e "pak::pak('scverse/anndataR')"
+RUN R -e "pak::pak('scverse/anndataR@0.1.0')"
diff --git a/modules/local/soupx/Dockerfile b/modules/local/soupx/Dockerfile
index 9042b4f9..d446d78c 100644
--- a/modules/local/soupx/Dockerfile
+++ b/modules/local/soupx/Dockerfile
@@ -1,3 +1,3 @@
 FROM community.wave.seqera.io/library/r-hdf5r_r-pak_r-seurat_r-soupx:2624b52e87cb1f73
 
-RUN R -e "pak::pak('scverse/anndataR')"
+RUN R -e "pak::pak('scverse/anndataR@0.1.0')"
diff --git a/tests/default.nf.test.snap b/tests/default.nf.test.snap
index f5f8d920..694b70ec 100644
--- a/tests/default.nf.test.snap
+++ b/tests/default.nf.test.snap
@@ -36,7 +36,7 @@
                 },
                 "CELDA_DECONTX": {
                     "r": "4.4.3",
-                    "anndataR": "0.99.0",
+                    "anndataR": "0.1.0",
                     "celda": "1.22.0"
                 },
                 "CELLTYPES_CELLTYPIST": {
@@ -297,4 +297,4 @@
         },
         "timestamp": "2025-06-07T14:25:32.300412343"
     }
-}
\ No newline at end of file
+}
diff --git a/tests/main_pipeline_build.nf.test.snap b/tests/main_pipeline_build.nf.test.snap
index 22d05757..e989d962 100644
--- a/tests/main_pipeline_build.nf.test.snap
+++ b/tests/main_pipeline_build.nf.test.snap
@@ -36,7 +36,7 @@
                 },
                 "CELDA_DECONTX": {
                     "r": "4.4.3",
-                    "anndataR": "0.99.0",
+                    "anndataR": "0.1.0",
                     "celda": "1.22.0"
                 },
                 "CELLTYPES_CELLTYPIST": {
@@ -149,7 +149,7 @@
                 "SEURAT_INTEGRATION": {
                     "R": "4.4.3",
                     "Seurat": "5.3.0",
-                    "anndataR": "0.99.0"
+                    "anndataR": "0.1.0"
                 },
                 "UMAP": {
                     "pandas": "2.2.3",
@@ -323,4 +323,4 @@
         },
         "timestamp": "2025-06-07T15:32:33.744749359"
     }
-}
\ No newline at end of file
+}
diff --git a/tests/main_pipeline_extend.nf.test.snap b/tests/main_pipeline_extend.nf.test.snap
index 0816c60a..cbf52529 100644
--- a/tests/main_pipeline_extend.nf.test.snap
+++ b/tests/main_pipeline_extend.nf.test.snap
@@ -33,7 +33,7 @@
                 },
                 "CELDA_DECONTX": {
                     "r": "4.4.3",
-                    "anndataR": "0.99.0",
+                    "anndataR": "0.1.0",
                     "celda": "1.22.0"
                 },
                 "CELLTYPES_CELLTYPIST": {
@@ -211,4 +211,4 @@
         },
         "timestamp": "2025-06-07T15:14:19.272534201"
     }
-}
\ No newline at end of file
+}
diff --git a/tests/main_pipeline_qc.nf.test.snap b/tests/main_pipeline_qc.nf.test.snap
index a826ff28..6768b440 100644
--- a/tests/main_pipeline_qc.nf.test.snap
+++ b/tests/main_pipeline_qc.nf.test.snap
@@ -12,7 +12,7 @@
                 },
                 "CELDA_DECONTX": {
                     "r": "4.4.3",
-                    "anndataR": "0.99.0",
+                    "anndataR": "0.1.0",
                     "celda": "1.22.0"
                 },
                 "CELLTYPES_CELLTYPIST": {
@@ -118,4 +118,4 @@
         },
         "timestamp": "2025-06-07T20:00:51.395546637"
     }
-}
\ No newline at end of file
+}
diff --git a/tests/main_pipeline_reference_mapping.nf.test.snap b/tests/main_pipeline_reference_mapping.nf.test.snap
index cddb02e8..2e332ecb 100644
--- a/tests/main_pipeline_reference_mapping.nf.test.snap
+++ b/tests/main_pipeline_reference_mapping.nf.test.snap
@@ -29,7 +29,7 @@
                 },
                 "CELDA_DECONTX": {
                     "r": "4.4.3",
-                    "anndataR": "0.99.0",
+                    "anndataR": "0.1.0",
                     "celda": "1.22.0"
                 },
                 "CELLTYPES_CELLTYPIST": {
@@ -211,4 +211,4 @@
         },
         "timestamp": "2025-06-07T20:00:48.182866511"
     }
-}
\ No newline at end of file
+}