diff --git a/DESCRIPTION b/DESCRIPTION
index 919c64e..1fc1c15 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -18,7 +18,7 @@ Encoding: UTF-8
 LazyData: true
 LazyDataCompression: xz
 Roxygen: list(markdown = TRUE)
-RoxygenNote: 7.2.0
+RoxygenNote: 7.2.3
 Depends:
     R (>= 4.1)
 Imports:
diff --git a/R/data.R b/R/data.R
index 534425e..78f82c4 100644
--- a/R/data.R
+++ b/R/data.R
@@ -17,7 +17,7 @@
 #' @format A [data.table] with the following columns:
 #' \describe{
 #'   \item{id}{Ensembl gene ID}
-#'   \item{name}{The gene's HGNC name}
+#'   \item{name}{The gene's HGNC name (if available)}
 #'   \item{chrosome}{The human chromosome the gene is located on}
 #' }
 "genes"
diff --git a/data/distances.rda b/data/distances.rda
index 9763b49..deb1417 100644
Binary files a/data/distances.rda and b/data/distances.rda differ
diff --git a/data/genes.rda b/data/genes.rda
index f132a7d..d8a139e 100644
Binary files a/data/genes.rda and b/data/genes.rda differ
diff --git a/data/species.rda b/data/species.rda
index 5d0d7a5..3fd6e69 100644
Binary files a/data/species.rda and b/data/species.rda differ
diff --git a/man/genes.Rd b/man/genes.Rd
index 8b6671a..6d6c945 100644
--- a/man/genes.Rd
+++ b/man/genes.Rd
@@ -8,7 +8,7 @@
 A \link{data.table} with the following columns:
 \describe{
 \item{id}{Ensembl gene ID}
-\item{name}{The gene's HGNC name}
+\item{name}{The gene's HGNC name (if available)}
 \item{chrosome}{The human chromosome the gene is located on}
 }
 }
diff --git a/scripts/chromosome_names.R b/scripts/chromosome_names.R
index e516f49..8312716 100644
--- a/scripts/chromosome_names.R
+++ b/scripts/chromosome_names.R
@@ -19,7 +19,7 @@ get_species_ids <- function() {
 
 #' Get all chromosomes names for a species.
 get_species_chromosomes <- function(species_id) {
-  chromosomes <- unlist(ensembl_request(
+  unlist(ensembl_request(
     paste0("/info/assembly/", species_id)
   )$karyotype)
 }
diff --git a/scripts/ensembl.R b/scripts/ensembl.R
index ab052fc..814ab3f 100644
--- a/scripts/ensembl.R
+++ b/scripts/ensembl.R
@@ -3,7 +3,7 @@ library(data.table)
 rlog::log_info("Connecting to Ensembl API")
 
 # Object to access the Ensembl API.
-ensembl <- biomaRt::useEnsembl("ensembl", version = 106)
+ensembl <- biomaRt::useEnsembl("ensembl", version = 110)
 
 # Retrieve species information.
 
@@ -42,69 +42,48 @@ valid_chromosome_names <- c(
   "17",
   "18",
   "19",
-  "20",
   "X",
+  "groupI",
+  "groupII",
+  "groupIII",
+  "groupIV",
+  "groupV",
+  "groupVI",
+  "groupVII",
+  "groupVIII",
+  "groupIX",
+  "groupX",
+  "groupXI",
+  "groupXII",
+  "groupXIII",
+  "groupXIV",
+  "groupXV",
+  "groupXVI",
+  "groupXVII",
+  "groupXVIII",
+  "groupXIX",
+  "groupXX",
+  "groupXXI",
+  "20",
   "Y",
   "21",
-  "4A",
-  "1A",
   "22",
   "23",
   "24",
-  "25LG1",
-  "25LG2",
+  "25",
   "26",
   "27",
   "28",
-  "LGE22",
-  "Z",
-  "25",
   "29",
-  "A1",
-  "A2",
-  "A3",
-  "B1",
-  "B2",
-  "B3",
-  "B4",
-  "C1",
-  "C2",
-  "D1",
-  "D2",
-  "D3",
-  "D4",
-  "E1",
-  "E2",
-  "E3",
-  "F1",
-  "F2",
-  "2A",
-  "2B",
-  "LG01",
-  "LG02",
-  "LG03",
-  "LG04",
-  "LG05",
-  "LG06",
-  "LG07",
-  "LG08",
-  "LG09",
-  "LG10",
-  "LG11",
-  "LG12",
-  "LG13",
-  "LG14",
-  "LG15",
-  "LG16",
-  "LG17",
-  "LG18",
-  "LG19",
-  "LG20",
-  "LG21",
-  "LG22",
-  "LG23",
-  "LG24",
-  "LG25",
+  "30",
+  "31",
+  "32",
+  "33",
+  "34",
+  "35",
+  "36",
+  "37",
+  "38",
   "I",
   "II",
   "III",
@@ -128,53 +107,21 @@ valid_chromosome_names <- c(
   "XXII",
   "XXIII",
   "XXIV",
+  "7a",
+  "7b",
+  "Z",
   "W",
-  "30",
-  "31",
-  "32",
-  "33",
-  "34",
-  "35",
-  "36",
-  "37",
-  "38",
+  "a",
+  "b",
+  "c",
+  "d",
+  "f",
+  "g",
+  "h",
   "39",
   "40",
-  "2L",
-  "2R",
-  "3L",
-  "3R",
-  "LG1",
-  "LG2",
-  "LG3",
-  "LG4",
-  "LG5",
-  "LG6",
-  "LG7",
-  "LG8",
-  "LG9",
-  "LG26",
-  "LG27",
-  "LG28",
-  "LG29",
-  "LG30",
   "1a",
-  "7b",
   "22a",
-  "LGE22C19W28_E50C23",
-  "LGE64",
-  "7a",
-  "MIC_1",
-  "MIC_10",
-  "MIC_11",
-  "MIC_2",
-  "MIC_3",
-  "MIC_4",
-  "MIC_5",
-  "MIC_6",
-  "MIC_7",
-  "MIC_8",
-  "MIC_9",
   "sgr01",
   "sgr02",
   "sgr03",
@@ -194,18 +141,95 @@ valid_chromosome_names <- c(
   "sgr17",
   "sgr18",
   "sgr19",
+  "LGE64",
+  "2A",
+  "2B",
   "X1",
   "X2",
   "X3",
   "X4",
   "X5",
-  "a",
-  "b",
-  "c",
-  "d",
-  "f",
-  "g",
-  "h",
+  "LG1",
+  "LG2",
+  "LG3",
+  "LG4",
+  "LG5",
+  "LG6",
+  "LG7",
+  "LG8",
+  "LG9",
+  "LG10",
+  "LG11",
+  "LG12",
+  "LG13",
+  "LG14",
+  "LG15",
+  "LG16",
+  "LG17",
+  "LG18",
+  "LG19",
+  "LG20",
+  "LG22",
+  "LG23",
+  "4A",
+  "1A",
+  "25LG1",
+  "25LG2",
+  "LGE22",
+  "LG21",
+  "A1",
+  "A2",
+  "A3",
+  "B1",
+  "B2",
+  "B3",
+  "B4",
+  "C1",
+  "C2",
+  "D1",
+  "D2",
+  "D3",
+  "D4",
+  "E1",
+  "E2",
+  "E3",
+  "F1",
+  "F2",
+  "LG34",
+  "LG35",
+  "LG24",
+  "LG25",
+  "LG26",
+  "LG27",
+  "LG28",
+  "LG29",
+  "LG30",
+  "MIC_1",
+  "MIC_10",
+  "MIC_11",
+  "MIC_2",
+  "MIC_3",
+  "MIC_4",
+  "MIC_5",
+  "MIC_6",
+  "MIC_7",
+  "MIC_8",
+  "MIC_9",
+  "2L",
+  "2R",
+  "3L",
+  "3R",
+  "LGE22C19W28_E50C23",
+  "LG01",
+  "LG02",
+  "LG03",
+  "LG04",
+  "LG05",
+  "LG06",
+  "LG07",
+  "LG08",
+  "LG09",
+  "LG7_11",
   "41",
   "42",
   "43",
@@ -224,31 +248,7 @@ valid_chromosome_names <- c(
   "LG44F",
   "LG45M",
   "LG48F",
-  "LG49B",
-  "LG34",
-  "LG35",
-  "LG7_11",
-  "groupI",
-  "groupII",
-  "groupIII",
-  "groupIV",
-  "groupV",
-  "groupVI",
-  "groupVII",
-  "groupVIII",
-  "groupIX",
-  "groupX",
-  "groupXI",
-  "groupXII",
-  "groupXIII",
-  "groupXIV",
-  "groupXV",
-  "groupXVI",
-  "groupXVII",
-  "groupXVIII",
-  "groupXIX",
-  "groupXX",
-  "groupXXI"
+  "LG49B"
 )
 
 #' Get all chromosome names for an Ensembl dataset.