diff --git a/src/testdir/test_crypt.vim b/src/testdir/test_crypt.vim
index 68e7ca1..a5e3b1a 100644
--- a/src/testdir/test_crypt.vim
+++ b/src/testdir/test_crypt.vim
@@ -332,7 +332,11 @@
     endtry
     call assert_equal(0, &undofile)
     bw!
-    call feedkeys(":sp Xcrypt_sodium_undo.txt\<CR>sodium\<CR>", 'xt')
+    try
+      call feedkeys(":sp Xcrypt_sodium_undo.txt\<CR>sodium\<CR>", 'xt')
+    catch /^Vim\%((\a\+)\)\=:E1230:/ " sodium_mlock() not possible, may happen at Github CI
+    throw 'Skipped: sodium_mlock() not possible'
+    endtry
     " should fail
     norm! u
     call assert_match('Already at oldest change', execute(':1mess'))
diff --git a/src/version.c b/src/version.c
index 3611cb2..b5dae7f 100644
--- a/src/version.c
+++ b/src/version.c
@@ -696,6 +696,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1755,
+/**/
     1754,
 /**/
     1753,