diff --git a/DESCRIPTION b/DESCRIPTION
index e4572e6..54ef0f0 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,6 +1,6 @@
 Package: MetaboAnnotation
 Title: Utilities for Annotation of Metabolomics Data
-Version: 1.7.3
+Version: 1.7.4
 Description:
     High level functions to assist in annotation of (metabolomics) data sets.
     These include functions to perform simple tentative annotations based on
@@ -70,7 +70,7 @@ BugReports: https://github.com/RforMassSpectrometry/MetaboAnnotation/issues
 URL: https://github.com/RforMassSpectrometry/MetaboAnnotation
 biocViews: Infrastructure, Metabolomics, MassSpectrometry
 Roxygen: list(markdown=TRUE)
-RoxygenNote: 7.2.3
+RoxygenNote: 7.3.1
 Collate:
     'AllClassUnions.R'
     'AllGenerics.R'
diff --git a/NAMESPACE b/NAMESPACE
index 2544a9a..dd16d16 100644
--- a/NAMESPACE
+++ b/NAMESPACE
@@ -94,6 +94,7 @@ importFrom(methods,slotNames)
 importFrom(methods,validObject)
 importMethodsFrom(AnnotationHub,query)
 importMethodsFrom(BiocGenerics,colnames)
+importMethodsFrom(ProtGenerics,setBackend)
 importMethodsFrom(ProtGenerics,spectraVariables)
 importMethodsFrom(S4Vectors,"$")
 importMethodsFrom(S4Vectors,cbind)
@@ -110,7 +111,6 @@ importMethodsFrom(Spectra,peaksVariables)
 importMethodsFrom(Spectra,plotSpectraMirror)
 importMethodsFrom(Spectra,precursorMz)
 importMethodsFrom(Spectra,rtime)
-importMethodsFrom(Spectra,setBackend)
 importMethodsFrom(Spectra,spectraData)
 importMethodsFrom(Spectra,spectraNames)
 importMethodsFrom(SummarizedExperiment,rowData)
diff --git a/NEWS.md b/NEWS.md
index 6cfa62e..f102ca4 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,5 +1,9 @@
 # MetaboAnnotation 1.7
 
+## Changes in 1.7.4
+
+- Import `setBackend()` generic from `ProtGenerics`.
+
 ## Changes in 1.7.3
 
 - Add `SingleMatchParam` for `filterMatches` to allow selection of (at most) a
diff --git a/R/MatchedSpectra.R b/R/MatchedSpectra.R
index af78673..cd374cf 100644
--- a/R/MatchedSpectra.R
+++ b/R/MatchedSpectra.R
@@ -421,7 +421,7 @@ setMethod("plotSpectraMirror", "MatchedSpectra", function(x, xlab = "m/z",
                           xlab = xlab, ylab = ylab, main = main, ...)
 })
 
-#' @importMethodsFrom Spectra setBackend
+#' @importMethodsFrom ProtGenerics setBackend
 #'
 #' @rdname MatchedSpectra
 #'