diff --git a/tests/testthat/test_scm_reg.R b/tests/testthat/test_scm_reg.R
index 60b69bd..a591491 100644
--- a/tests/testthat/test_scm_reg.R
+++ b/tests/testthat/test_scm_reg.R
@@ -31,8 +31,13 @@ test_that("class inheritance works", {
 # objects are added to detect any changes to results (intentional or not)
 # that may be introduced by future refactoring
 
+# snapshot tests are fragile, so we don't want to run on old releases
+is_oldrel <- grepl(rversions::r_oldrel()$version, R.version.string)
+
 test_that("snapshot is preserved for ordered-categorical regression", {
 
+  skip_if(is_oldrel)
+
   # convenience function for test
   ordered_categorical_test <- function(search_direction, ...) {
     suppressWarnings(scm_reg(
@@ -74,6 +79,8 @@ test_that("snapshot is preserved for ordered-categorical regression", {
 
 test_that("snapshot is preserved for linear regression", {
 
+  skip_if(is_oldrel)
+
   # convenience function for test
   linear_regression_test <- function(search_direction, ...) {
     suppressWarnings(scm_reg(
@@ -145,3 +152,5 @@ test_that("snapshot is preserved for linear regression", {
   # )
 
 })
+
+