diff --git a/ingest/Dockerfile b/ingest/Dockerfile
index a2e7f78d66..25fb0876a7 100644
--- a/ingest/Dockerfile
+++ b/ingest/Dockerfile
@@ -1,4 +1,4 @@
-FROM mambaorg/micromamba:2.6.0-ubuntu24.04
+FROM mambaorg/micromamba:2.6.2-ubuntu24.04
 
 COPY --chown=$MAMBA_USER:$MAMBA_USER environment.yml /tmp/env.yaml
 COPY --chown=$MAMBA_USER:$MAMBA_USER .mambarc /tmp/.mambarc
diff --git a/preprocessing/nextclade/Dockerfile b/preprocessing/nextclade/Dockerfile
index ad0e1841e1..8722d9aec7 100644
--- a/preprocessing/nextclade/Dockerfile
+++ b/preprocessing/nextclade/Dockerfile
@@ -1,4 +1,4 @@
-FROM mambaorg/micromamba:2.6.0-ubuntu24.04
+FROM mambaorg/micromamba:2.6.2-ubuntu24.04
 
 COPY --chown=$MAMBA_USER:$MAMBA_USER environment.yml /tmp/env.yaml
 COPY --chown=$MAMBA_USER:$MAMBA_USER .mambarc /tmp/.mambarc