Docker: dont mess with the bash syntax ('>' is for redirection)

diff --git a/tools/docker/Dockerfile.build-deps b/tools/docker/Dockerfile.build-deps
index 4e76b83..3a189e9 100644 (file)
--- a/tools/docker/Dockerfile.build-deps
+++ b/tools/docker/Dockerfile.build-deps
@@ -14,5 +14,5 @@ RUN apt update && \
        chrpath \
        libdw-dev libevent-dev libunwind8-dev \
        && \
-    pip3 install breathe javasphinx sphinx>=1.8.0b1 sphinx_rtd_theme
+    pip3 install breathe javasphinx 'sphinx>=1.8.0b1' sphinx_rtd_theme
                   
\ No newline at end of file