diff --git a/tests/hardware_ietf-hardware.cpp b/tests/hardware_ietf-hardware.cpp
index db75eea..feaaa11 100644
--- a/tests/hardware_ietf-hardware.cpp
+++ b/tests/hardware_ietf-hardware.cpp
@@ -194,7 +194,7 @@
             {"/ietf-hardware:hardware/component[name='ne:ctrl:emmc']/parent", "ne:ctrl"},
             {"/ietf-hardware:hardware/component[name='ne:ctrl:emmc']/class", "iana-hardware:module"},
             {"/ietf-hardware:hardware/component[name='ne:ctrl:emmc']/serial-num", "0x00a8808d"},
-            {"/ietf-hardware:hardware/component[name='ne:ctrl:emmc']/mfg-date", "2017-02-01T00:00:00Z"},
+            {"/ietf-hardware:hardware/component[name='ne:ctrl:emmc']/mfg-date", "2017-02-01T00:00:00-00:00"},
             {"/ietf-hardware:hardware/component[name='ne:ctrl:emmc']/model-name", "8GME4R"},
             {"/ietf-hardware:hardware/component[name='ne:ctrl:emmc:lifetime']/class", "iana-hardware:sensor"},
             {"/ietf-hardware:hardware/component[name='ne:ctrl:emmc:lifetime']/parent", "ne:ctrl:emmc"},
@@ -376,7 +376,7 @@
                 {"[name='ne:ctrl:emmc']/parent", "ne:ctrl"},
                 {"[name='ne:ctrl:emmc']/class", "iana-hardware:module"},
                 {"[name='ne:ctrl:emmc']/serial-num", "0x00a8808d"},
-                {"[name='ne:ctrl:emmc']/mfg-date", "2017-02-01T00:00:00Z"},
+                {"[name='ne:ctrl:emmc']/mfg-date", "2017-02-01T00:00:00-00:00"},
                 {"[name='ne:ctrl:emmc']/model-name", "8GME4R"},
                 {"[name='ne:ctrl:emmc']/sensor-data", ""},
                 {"[name='ne:ctrl:emmc:lifetime']/name", "ne:ctrl:emmc:lifetime"},
diff --git a/tests/sysrepo_authentication.cpp b/tests/sysrepo_authentication.cpp
index dc9a61b..6754195 100644
--- a/tests/sysrepo_authentication.cpp
+++ b/tests/sysrepo_authentication.cpp
@@ -57,9 +57,9 @@
         auto data = dataFromSysrepo(test_srSess, "/czechlight-system:authentication/users");
         decltype(data) expected = {
             {"[name='ci']/name", "ci"},
-            {"[name='ci']/password-last-change", "2024-10-04T00:00:00Z"},
+            {"[name='ci']/password-last-change", "2024-10-04T00:00:00-00:00"},
             {"[name='root']/name", "root"},
-            {"[name='root']/password-last-change", "2020-09-09T00:00:00Z"},
+            {"[name='root']/password-last-change", "2020-09-09T00:00:00-00:00"},
             {"[name='root']/authorized-keys[index='0']", ""},
             {"[name='root']/authorized-keys[index='0']/index", "0"},
             {"[name='root']/authorized-keys[index='0']/public-key", "ssh-rsa SOME_KEY comment"}