diff --git a/Dockerfile.jruby b/Dockerfile.jruby
index f2b62843..9812eeef 100644
--- a/Dockerfile.jruby
+++ b/Dockerfile.jruby
@@ -39,7 +39,7 @@ RUN bash -c " \
       rvm all do gem update --system --no-document && \
       rvm all do gem update --no-document && \
       rvm all do gem install bundler --no-document && \
-      rvm all do gem install --no-document rake-compiler:1.2.2 && \
+      rvm all do gem install --no-document rake-compiler:1.2.5 && \
       find /usr/local/rvm -type d -print0 | sudo xargs -0 chmod g+sw \
     "
 
diff --git a/Dockerfile.mri.erb b/Dockerfile.mri.erb
index 295ff132..c5773c1c 100644
--- a/Dockerfile.mri.erb
+++ b/Dockerfile.mri.erb
@@ -114,7 +114,7 @@ RUN /home/rvm/mk_osxcross.sh
 ##
 USER rvm
 
-RUN bash -c "rvm all do gem install --no-document rake-compiler:1.2.2"
+RUN bash -c "rvm all do gem install --no-document rake-compiler:1.2.5"
 
 # Install rake-compiler's cross rubies in global dir instead of /root
 RUN sudo mkdir -p /usr/local/rake-compiler && \
@@ -125,9 +125,9 @@ RUN sudo mkdir -p /usr/local/rake-compiler && \
 COPY build/patches2 /home/rvm/patches/
 RUN bash -c " \
       for v in ${RVM_RUBIES} ; do \
-        cd /usr/local/rvm/gems/ruby-\$v/gems/rake-compiler-1.2.2 && \
-        echo applying patches to ruby-\$v /home/rvm/patches/rake-compiler-1.2.2/*.patch && \
-        ( git apply /home/rvm/patches/rake-compiler-1.2.2/*.patch || true ) \
+        cd /usr/local/rvm/gems/ruby-\$v/gems/rake-compiler-1.2.5 && \
+        echo applying patches to ruby-\$v /home/rvm/patches/rake-compiler-1.2.5/*.patch && \
+        ( git apply /home/rvm/patches/rake-compiler-1.2.5/*.patch || true ) \
       done \
     "
 
diff --git a/build/patches2/rake-compiler-1.2.2/0004-Enable-build-of-static-libruby.patch b/build/patches2/rake-compiler-1.2.5/0004-Enable-build-of-static-libruby.patch
similarity index 100%
rename from build/patches2/rake-compiler-1.2.2/0004-Enable-build-of-static-libruby.patch
rename to build/patches2/rake-compiler-1.2.5/0004-Enable-build-of-static-libruby.patch