diff --git a/R/add_context.R b/R/add_context.R
index 6915571..1083b8e 100644
--- a/R/add_context.R
+++ b/R/add_context.R
@@ -5,8 +5,8 @@ add_context <- function(data, id, name, created_date, modified_date) {
   }
 
   # Parse the date values
-  created_date <- strptime(created_date, format = "%FT%X", tz = "UTC")
-  modified_date <- strptime(modified_date, format = "%FT%X", tz = "UTC")
+  created_date <- as.POSIXct(created_date, format = "%FT%X", tz = "UTC")
+  modified_date <- as.POSIXct(modified_date, format = "%FT%X", tz = "UTC")
 
   # The platform can record the modified date as being before the created date
   # by a few microseconds, this will catch any rounding which ensure
diff --git a/tests/testthat/test-add_context.R b/tests/testthat/test-add_context.R
index aa1ef35..44580f8 100644
--- a/tests/testthat/test-add_context.R
+++ b/tests/testthat/test-add_context.R
@@ -19,25 +19,6 @@ test_that("Returned context is the same for resource and dataset", {
     include_context = TRUE
   )
 
-  # --- Remove from here
-  # This code works around an issue with vctrs
-  # https://github.com/r-lib/vctrs/issues/1930
-  dataset_has_POSIXlt <- inherits(dataset$res_created_date, "POSIXlt")
-
-  # If this test fails, that's good (probably) and this can all be removed
-  expect_error(stopifnot(dataset_has_POSIXlt))
-
-  if (!dataset_has_POSIXlt) {
-    dataset <- dataset %>%
-      dplyr::mutate(
-        dplyr::across(
-          c("res_created_date", "res_modified_date"),
-          as.POSIXlt
-        )
-      )
-  }
-  # --- Remove to here
-
   expect_equal(
     dataset %>%
       dplyr::filter(res_id == res_id_1) %>%
diff --git a/tests/testthat/test-get_dataset_context.R b/tests/testthat/test-get_dataset_context.R
index 2ad2182..e16a39a 100644
--- a/tests/testthat/test-get_dataset_context.R
+++ b/tests/testthat/test-get_dataset_context.R
@@ -18,6 +18,11 @@ test_that("returns expected context with the data", {
   )
 
   expect_s3_class(data, "tbl_df")
+  expect_type(data$res_id, "character")
+  expect_type(data$res_name, "character")
+  expect_s3_class(data$res_created_date, "POSIXct")
+  expect_s3_class(data$res_modified_date, "POSIXct")
+
   expect_equal(nrow(data), n_resources * n_rows)
   expect_length(data, 28)
   expect_named(
diff --git a/tests/testthat/test-get_resource_context.R b/tests/testthat/test-get_resource_context.R
index 504855c..20f7ebc 100644
--- a/tests/testthat/test-get_resource_context.R
+++ b/tests/testthat/test-get_resource_context.R
@@ -14,8 +14,8 @@ test_that("returns expected context with the data", {
   expect_s3_class(data, "tbl_df")
   expect_type(data$res_id, "character")
   expect_type(data$res_name, "character")
-  expect_s3_class(data$res_created_date, "POSIXlt")
-  expect_s3_class(data$res_modified_date, "POSIXlt")
+  expect_s3_class(data$res_created_date, "POSIXct")
+  expect_s3_class(data$res_modified_date, "POSIXct")
 
   expect_length(data, 19)
   expect_equal(nrow(data), 10)