diff --git a/dependencies.Dockerfile b/dependencies.Dockerfile
index fc5dc4f17..dc5a1e267 100644
--- a/dependencies.Dockerfile
+++ b/dependencies.Dockerfile
@@ -6,7 +6,7 @@
 FROM otel/weaver:v0.25.1@sha256:9ad46ca9cd4fa5974b121f886aa3e9946a8ef8ea905001a96c018d21f9db87ca AS weaver
 
 # OPA is used to test policies enforced by weaver.
-FROM openpolicyagent/opa:1.18.2@sha256:cba27d3c6af2feba1e4d6e6b5e24df5b53db332420d4148a90acccd12efae6ed AS opa
+FROM openpolicyagent/opa:1.19.0@sha256:8523599954435a3659954ad51ee0304d22bd97576f16cdb02e5e39f38ff3962a AS opa
 
 # Semconv gen is used for backwards compatibility checks.
 # TODO(jsuereth): Remove this when no longer used.