diff --git a/DESCRIPTION b/DESCRIPTION
index 91de4ad0..eeca5b38 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,6 +1,6 @@
 Package: rbmi
 Title: Reference Based Multiple Imputation
-Version: 1.2.0
+Version: 1.2.1
 Authors@R: c(
     person("Craig", "Gower-Page", email = "craig.gower-page@roche.com", role = c("aut", "cre")),
     person("Alessandro", "Noci", email = "alessandro.noci@roche.com", role = c("aut")),
diff --git a/NEWS.md b/NEWS.md
index a9bbb0a9..07e24d51 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -2,6 +2,10 @@
 
 * No updates yet
 
+# rbmi 1.2.1
+
+* Removed native pipes `|>` in testing code so package is backwards compatible with older servers
+
 # rbmi 1.2.0
 
 * Replaced our `glmmTMB` dependency with the `mmrm` package. This has resulted in the package being more stable (less model fitting convergence issues) as well as speeding up run times 3-fold. 
diff --git a/tests/testthat/test-mmrm.R b/tests/testthat/test-mmrm.R
index 213fc9b2..9d3eab49 100644
--- a/tests/testthat/test-mmrm.R
+++ b/tests/testthat/test-mmrm.R
@@ -466,7 +466,7 @@ test_that("visit & group factor levels / order doesn't break model extraction",
 
 
 
-    dat_modified <- dat |>
+    dat_modified <- dat %>%
         mutate(group = relevel(group, "B"))
 
     mod <- mmrm::mmrm(
@@ -481,7 +481,7 @@ test_that("visit & group factor levels / order doesn't break model extraction",
 
 
 
-    dat_modified <- dat |>
+    dat_modified <- dat %>%
         mutate(visit = relevel(visit, "visit_3"))
 
     mod <- mmrm::mmrm(