diff --git a/.zenodo.json b/.zenodo.json
index 4a901c7..554c423 100644
--- a/.zenodo.json
+++ b/.zenodo.json
@@ -3,7 +3,7 @@
       {
         "orcid": "0000-0003-2561-4677",
         "affiliation": "University of Groningen",
-        "name": "Neves, Pedro"
+        "name": "Santos Neves, Pedro"
       },
       {
         "orcid": "0000-0001-5218-3046",
diff --git a/DESCRIPTION b/DESCRIPTION
index 4f73f2f..5e6ad5f 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,7 +1,7 @@
 Package: DAISIEutils
 Title: Utility Functions for the DAISIE Package
 Date: 2023-05-03
-Version: 1.6.0
+Version: 1.6.0.9000
 Authors@R: c(
     person(given = "Pedro",
            family = "Santos Neves",
diff --git a/NEWS.md b/NEWS.md
index 5112b18..5f07efc 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,3 +1,7 @@
+# DAISIEutils (development version)
+
+* Migrate from now defunct Peregrine HPCC to the new Hábrók HPCC
+
 # DAISIEutils 1.6.0
 
 * The version of R and DAISIE are incremented to 4.2 and 4.4.0, respectively
diff --git a/R/create_output_folder.R b/R/create_output_folder.R
index 9c16a2b..ef877a7 100644
--- a/R/create_output_folder.R
+++ b/R/create_output_folder.R
@@ -4,7 +4,7 @@
 #'
 #' @return
 #' Creates appropriate directory. Returns string with path for output object. By
-#' default, if on Peregrine, folder will be `$HOME/results/$data_name`. If
+#' default, if on Hábrók, folder will be `$HOME/results/$data_name`. If
 #' called from another environment, folder will be
 #' `getwd()/results/$data_name`. Alternatively, another valid root can be
 #' specified, resulting in `results_dir/$data_name`.
diff --git a/R/is_on_cluster.R b/R/is_on_cluster.R
index 5d65953..3651e54 100644
--- a/R/is_on_cluster.R
+++ b/R/is_on_cluster.R
@@ -1,6 +1,6 @@
-#' Check if code is running on Peregrine HPCC
+#' Check if code is running on Hábrók HPCC
 #'
-#' @return Boolean. `TRUE` if called from Peregrine HPCC, FALSE if not.
+#' @return Boolean. `TRUE` if called from Hábrók HPCC, FALSE if not.
 #' @export
 #'
 #' @examples
@@ -8,7 +8,7 @@
 #'
 #' @author Pedro Santos Neves
 is_on_cluster <- function() {
-  if (identical(Sys.getenv("HOSTNAME"), "peregrine.hpc.rug.nl")) {
+  if (identical(Sys.getenv("SLURM_CLUSTER_NAME"), "habrok")) {
     return(TRUE)
   } else {
     return(FALSE)
diff --git a/man/create_output_folder.Rd b/man/create_output_folder.Rd
index c3959bb..b965ddd 100644
--- a/man/create_output_folder.Rd
+++ b/man/create_output_folder.Rd
@@ -23,7 +23,7 @@ not saved to file.}
 }
 \value{
 Creates appropriate directory. Returns string with path for output object. By
-default, if on Peregrine, folder will be \verb{$HOME/results/$data_name}. If
+default, if on Hábrók, folder will be \verb{$HOME/results/$data_name}. If
 called from another environment, folder will be
 \verb{getwd()/results/$data_name}. Alternatively, another valid root can be
 specified, resulting in \verb{results_dir/$data_name}.
diff --git a/man/is_on_cluster.Rd b/man/is_on_cluster.Rd
index a5b602a..23f355a 100644
--- a/man/is_on_cluster.Rd
+++ b/man/is_on_cluster.Rd
@@ -2,15 +2,15 @@
 % Please edit documentation in R/is_on_cluster.R
 \name{is_on_cluster}
 \alias{is_on_cluster}
-\title{Check if code is running on Peregrine HPCC}
+\title{Check if code is running on Hábrók HPCC}
 \usage{
 is_on_cluster()
 }
 \value{
-Boolean. \code{TRUE} if called from Peregrine HPCC, FALSE if not.
+Boolean. \code{TRUE} if called from Hábrók HPCC, FALSE if not.
 }
 \description{
-Check if code is running on Peregrine HPCC
+Check if code is running on Hábrók HPCC
 }
 \examples{
 on_cluster <- is_on_cluster()
diff --git a/tests/testthat/test-is_on_cluster.R b/tests/testthat/test-is_on_cluster.R
index 616a62c..ec3aa00 100644
--- a/tests/testthat/test-is_on_cluster.R
+++ b/tests/testthat/test-is_on_cluster.R
@@ -1,17 +1,17 @@
 test_that("use", {
   # If HOSTNAME
-  if (identical(Sys.getenv("HOSTNAME"), "peregrine.hpc.rug.nl")) {
+  if (identical(Sys.getenv("SLURM_CLUSTER_NAME"), "habrok")) {
     expect_true(is_on_cluster())
 
-    Sys.unsetenv("HOSTNAME")
+    Sys.unsetenv("SLURM_CLUSTER_NAME")
     expect_false(is_on_cluster())
-    Sys.setenv(HOSTNAME = "peregrine.hpc.rug.nl")
+    identical(Sys.getenv("SLURM_CLUSTER_NAME"), "habrok")
   } else {
-    stored_hostname <- Sys.getenv("HOSTNAME")
+    stored_cluster_name <- Sys.getenv("SLURM_CLUSTER_NAME")
     expect_false(is_on_cluster())
 
-    Sys.setenv(HOSTNAME = "peregrine.hpc.rug.nl")
+    Sys.setenv(SLURM_CLUSTER_NAME = "habrok")
     expect_true(is_on_cluster())
-    Sys.setenv(HOSTNAME = stored_hostname)
+    Sys.setenv(SLURM_CLUSTER_NAME = stored_cluster_name)
   }
 })