diff --git a/Dockerfile b/Dockerfile
index 911b409..61f8d44 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM docker.io/library/ubuntu:24.04
+FROM docker.io/library/python:3.12-slim
 
 ENV \
     DEBCONF_NONINTERACTIVE_SEEN="true" \
@@ -23,10 +23,7 @@ RUN \
     apt-get install --no-install-recommends -y \
         catatonit \
         intel-gpu-tools \
-        python3 \
-        python3-pip \
-    && pip install --no-cache-dir -r requirements.txt \
-    && apt-get remove -y python3-pip \
+    && pip install --requirement requirements.txt \
     && apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false \
     && apt-get autoremove -y \
     && apt-get clean \
@@ -36,7 +33,7 @@ RUN \
         /var/cache/apt/* \
         /var/tmp/*
 
-ENTRYPOINT ["/usr/bin/catatonit", "--", "/usr/bin/python3"]
+ENTRYPOINT ["/usr/bin/catatonit", "--", "/usr/local/bin/python"]
 CMD ["/app/intel-gpu-exporter.py"]
 
 LABEL \
diff --git a/intel-gpu-exporter.py b/intel-gpu-exporter.py
index a062b20..6132233 100644
--- a/intel-gpu-exporter.py
+++ b/intel-gpu-exporter.py
@@ -72,9 +72,9 @@ def update(data):
     logging.basicConfig(format='%(asctime)s - %(message)s', level=logging.INFO)
     start_http_server(8080)
 
-    period = os.getenv("REFRESH_PERIOD_MS", 5000)
+    period = os.getenv("REFRESH_PERIOD_MS", 10000)
 
-    cmd = '/usr/bin/intel_gpu_top -J -s {}'.format(int(period))
+    cmd = 'intel_gpu_top -J -s {}'.format(int(period))
     process = subprocess.Popen(cmd.split(), stdout=subprocess.PIPE, stderr=subprocess.PIPE)
 
     logging.info('Started ' + cmd)