diff --git a/tests/testthat/test-collocations.R b/tests/testthat/test-collocations.R
index 60052a6..b0c7a7a 100644
--- a/tests/testthat/test-collocations.R
+++ b/tests/testthat/test-collocations.R
@@ -48,7 +48,7 @@
 
 
 test_that("mergeDuplicateCollocatesWorksAsExpected", {
-  ldf <- tibble(
+  ldf <- tibble::tibble(
     node = c("focus(in [tt/p=NN] {[tt/l=nehmen]})"),
     collocate = c("Anspruch"),
     label = c(""),
@@ -71,7 +71,7 @@
     logDice = c(11.6899933757298),
     ll = c(3717716.74208791)
   )
-  rdf <- tibble(
+  rdf <- tibble::tibble(
     node = c("focus({[tt/l=nehmen] in} [tt/p=NN])"),
     collocate = c("Anspruch"),
     label = c(""),
diff --git a/tests/testthat/test-misc.R b/tests/testthat/test-misc.R
index c87dea4..a5b73de 100644
--- a/tests/testthat/test-misc.R
+++ b/tests/testthat/test-misc.R
@@ -219,7 +219,7 @@
       class = "data.frame",
       row.names = c(NA,-14L)
     )
-    gpt <- df %>% ggplot(aes(year, ipm, fill = condition, color = condition)) +
+    gpt <- df %>% ggplot2::ggplot(ggplot2::aes(year, ipm, fill = condition, color = condition)) +
       geom_freq_by_year_ci()
     labels <- if ("get_labs" %in% getNamespaceExports("ggplot2")) {
       ggplot2::get_labs(gpt)