diff --git a/tests/asciidoctor.bats b/tests/asciidoctor.bats
index 25055a3..932b4e3 100644
--- a/tests/asciidoctor.bats
+++ b/tests/asciidoctor.bats
@@ -1,7 +1,7 @@
 #!/usr/bin/env bats
 
 TMP_GENERATION_DIR="${BATS_TEST_DIRNAME}/tmp"
-ALPINE_VERSION=3.20.2
+ALPINE_VERSION=3.20.3
 ASCIIDOCTOR_VERSION=2.0.23
 ASCIIDOCTOR_CONFLUENCE_VERSION=0.0.2
 ASCIIDOCTOR_PDF_VERSION=2.3.18