diff --git a/po/R-pl.po b/po/R-pl.po
index 61229464..a3bcb443 100644
--- a/po/R-pl.po
+++ b/po/R-pl.po
@@ -2,7 +2,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: jaspMetaAnalysis 0.17.0\n"
 "POT-Creation-Date: 2023-04-29 02:38\n"
-"PO-Revision-Date: 2023-09-20 11:21+0000\n"
+"PO-Revision-Date: 2023-12-02 02:33+0000\n"
 "Last-Translator: Tomasz Misiuro <tomaszmisiuro@gmail.com>\n"
 "Language-Team: Polish <https://hosted.weblate.org/projects/jasp/"
 "jaspmetaanalysis-r/pl/>\n"
@@ -12,7 +12,7 @@ msgstr ""
 "Content-Transfer-Encoding: 8bit\n"
 "Plural-Forms: nplurals=3; plural=n==1 ? 0 : n%10>=2 && n%10<=4 && (n%100<10 "
 "|| n%100>=20) ? 1 : 2;\n"
-"X-Generator: Weblate 5.1-dev\n"
+"X-Generator: Weblate 5.3-dev\n"
 
 msgid "The prior lower bound is not smaller than the upper bound."
 msgstr ""
@@ -70,10 +70,10 @@ msgid "Averaged"
 msgstr ""
 
 msgid "Fixed effects"
-msgstr ""
+msgstr "Efekty stałe"
 
 msgid "Random effects"
-msgstr ""
+msgstr "Efekty losowe"
 
 msgid "Ordered effects"
 msgstr ""